0–9
    * What is meaning of (Full form of)  1GL — First-Generation Programming Language
    * What is meaning of (Full form of)  10B2 — 10 Base2
    * What is meaning of (Full form of)  10B5 — 10 Base5
    * What is meaning of (Full form of)  10B-F — 10 Base-F
    * What is meaning of (Full form of)  10B-FB — 10 Base-FB
    * What is meaning of (Full form of)  10B-FL — 10 Base-FL
    * What is meaning of (Full form of)  10B-FP — 10 Base-FP
    * What is meaning of (Full form of)  10B-T — 10 Base-T
    * What is meaning of (Full form of)  100B-FX — 100 Base-FX
    * What is meaning of (Full form of)  100B-T — 100 Base-T
    * What is meaning of (Full form of)  100B-TX — 100 Base-TX
    * What is meaning of (Full form of)  100BVG — 100 BaseVG
    * What is meaning of (Full form of)  286 — Intel 80286 processor
    * What is meaning of (Full form of)  2B1Q — 2 Binary 1 Quaternary
    * What is meaning of (Full form of)  2GL — Second-Generation Programming Language
    * What is meaning of (Full form of)  3GL — Third-Generation Programming Language
    * What is meaning of (Full form of)  386 — Intel 80386 processor
    * What is meaning of (Full form of)  486 — Intel 80486 processor
    * What is meaning of (Full form of)  586 — Intel Pentium processor
    * What is meaning of (Full form of)  686 — Any of the Intel Pentium Pro, Pentium II, Pentium III, and Pentium 4 processors
    * What is meaning of (Full form of)  4B5BLF — 4 Byte 5 Byte Local Fiber
    * What is meaning of (Full form of)  4GL — Fourth-Generation Programming Language
    * What is meaning of (Full form of)  5GL — Fifth-Generation Programming Language
    * What is meaning of (Full form of)  8B10BLF — 8 Byte 10 Byte Local Fiber

A
    * What is meaning of (Full form of)  AA — Anti-Aliasing
    * What is meaning of (Full form of)  AAA — Authentication Authorization, Accounting
    * What is meaning of (Full form of)  AABB — Axis Aligned Bounding Box
    * What is meaning of (Full form of)  AAC — Advanced Audio Coding (audio compression format defined by the MPEG-2 standard)
    * What is meaning of (Full form of)  AAL — ATM Adaptation Layer
    * What is meaning of (Full form of)  AALC — ATM Adaptation Layer Connection
    * What is meaning of (Full form of)  AARP — AppleTalk Address Resolution Protocol
    * What is meaning of (Full form of)  ABI — Application Binary Interface
    * What is meaning of (Full form of)  ABM — Asynchronous Balanced Mode
    * What is meaning of (Full form of)  ABR — Area Border Router
    * What is meaning of (Full form of)  ABR — Auto Baud — Rate Detect
    * What is meaning of (Full form of)  ABR — Available Bit Rate
    * What is meaning of (Full form of)  AC — Alternating Current
    * What is meaning of (Full form of)  AC — Acoustic Coupler
    * What is meaning of (Full form of)  ACD — Automatic Call Distributor
    * What is meaning of (Full form of)  ACF — Advanced Communications Function
    * What is meaning of (Full form of)  ACF NCP — Advanced Communications Function — Network Control Program
    * What is meaning of (Full form of)  ACID — Atomicity Consistency Isolation Durability
    * What is meaning of (Full form of)  ACK — ACKnowledgement
    * What is meaning of (Full form of)  ACL — Access Control List
    * What is meaning of (Full form of)  ACL — Active Current Loop
    * What is meaning of (Full form of)  ACM — Association for Computing Machinery
    * What is meaning of (Full form of)  ACME — Automated Classification of Medical Entities
    * What is meaning of (Full form of)  ACPI — Advanced Configuration and Power Interface
    * What is meaning of (Full form of)  ACR — Allowed Cell Rate
    * What is meaning of (Full form of)  ACR — Attenuation to Crosstalk Ratio
    * What is meaning of (Full form of)  AD — Active Directory
    * What is meaning of (Full form of)  AD — Administrative Domain
    * What is meaning of (Full form of)  ADC — Analog-To-Digital Converter
    * What is meaning of (Full form of)  ADC — Apple Display Connector (DVI variant)
    * What is meaning of (Full form of)  ADB — Apple Desktop Bus
    * What is meaning of (Full form of)  ADCCP — Advanced Data Communications Control Protocol/Procedures
    * What is meaning of (Full form of)  ADO — ActiveX Data Objects
    * What is meaning of (Full form of)  ADSL — Asymmetric Digital Subscriber Line (variant of DSL)
    * What is meaning of (Full form of)  AE — Adaptive Equalizer
    * What is meaning of (Full form of)  AES — Advanced Encryption Standard
    * What is meaning of (Full form of)  AF — Anisotropic Filtering
    * What is meaning of (Full form of)  AFP — Apple Filing Protocol
    * What is meaning of (Full form of)  AGP — Accelerated Graphics Port (sometimes used with a suffix indicating the port's bandwidth, like AGP4x)
    * What is meaning of (Full form of)  AH — Active Hub
    * What is meaning of (Full form of)  AI — Artificial Intelligence
    * What is meaning of (Full form of)  AIX — Advanced Interactive Executive
    * What is meaning of (Full form of)  Ajax — Asynchronous JavaScript and XML
    * What is meaning of (Full form of)  AL — Active Link
    * What is meaning of (Full form of)  AL — Access List
    * What is meaning of (Full form of)  ALGOL — Algorithmic Language
    * What is meaning of (Full form of)  ALSA — Advanced Linux Sound Architecture
    * What is meaning of (Full form of)  ALU — Arithmetic and Logical Unit
    * What is meaning of (Full form of)  AM — Active Matrix
    * What is meaning of (Full form of)  AM — Access Method
    * What is meaning of (Full form of)  AM — Active Monitor
    * What is meaning of (Full form of)  AM — Amplitude Modulation
    * What is meaning of (Full form of)  AMD — Advanced Micro Devices
    * What is meaning of (Full form of)  AMR — Audio Modem Riser
    * What is meaning of (Full form of)  ANN — Artificial Neural Network
    * What is meaning of (Full form of)  ANSI — American National Standards Institute
    * What is meaning of (Full form of)  ANT — Another Neat Tool
    * What is meaning of (Full form of)  AoE — ATA over Ethernet
    * What is meaning of (Full form of)  AOP — Aspect-Oriented Programming
    * What is meaning of (Full form of)  APCI — Application-Layer Protocol Control Information
    * What is meaning of (Full form of)  API — Application Programming Interface
    * What is meaning of (Full form of)  APIC — Advanced Programmable Interrupt Controller
    * What is meaning of (Full form of)  APIPA — Automatic Private IP Addressing
    * What is meaning of (Full form of)  APL — A Programming Language
    * What is meaning of (Full form of)  APS — Accunet Packet Service
    * What is meaning of (Full form of)  APR — Apache Portable Runtime
    * What is meaning of (Full form of)  ARIN — American Registry for Internet Numbers
    * What is meaning of (Full form of)  ARM — Advanced RISC Machines
    * What is meaning of (Full form of)  ARP — Address Resolution Protocol
    * What is meaning of (Full form of)  ARPA — Address and Routing Parameter Area
    * What is meaning of (Full form of)  ARPA — Advanced Research Projects Agency (see also DARPA)
    * What is meaning of (Full form of)  ARPANET — Advanced Research Projects Agency Network
    * What is meaning of (Full form of)  AS — Access Server
    * What is meaning of (Full form of)  ASCII — American Standard Code for Information Interchange
    * What is meaning of (Full form of)  ASG — Abstract Semantic Graph
    * What is meaning of (Full form of)  ASIC — Application Specific Integrated Circuit
    * What is meaning of (Full form of)  ASLR - Address Space Layout Randomization
    * What is meaning of (Full form of)  ASMP — Asymmetric Multiprocessing
    * What is meaning of (Full form of)  ASN.1 — Abstract Syntax Notation 1
    * What is meaning of (Full form of)  ASP — Application Service Provider
    * What is meaning of (Full form of)  ASP (MS ASP) — Active Server Pages
    * What is meaning of (Full form of)  ASR — Asynchronous Signal Routine
    * What is meaning of (Full form of)  AST — Abstract Syntax Tree
    * What is meaning of (Full form of)  ASSP — Application Specific Standard Product
    * What is meaning of (Full form of)  AT — Advanced Technology
    * What is meaning of (Full form of)  AT — Access Time
    * What is meaning of (Full form of)  AT — Active Terminator
    * What is meaning of (Full form of)  ATA — Advanced Technology Attachment
    * What is meaning of (Full form of)  ATAG — Authoring Tool Accessibility Guidelines
    * What is meaning of (Full form of)  ATAPI — Advanced Technology Attachment Packet Interface
    * What is meaning of (Full form of)  ATM — Asynchronous Transfer Mode
    * What is meaning of (Full form of)  AVC — Advanced Video Coding
    * What is meaning of (Full form of)  AVI — Audio Video Interleaved
    * What is meaning of (Full form of)  AWT — Abstract Windowing Toolkit

B
    * What is meaning of (Full form of)  B2B — Business-to-Business
    * What is meaning of (Full form of)  B2C — Business-to-Consumer
    * What is meaning of (Full form of)  Bash — Bourne-again shell
    * What is meaning of (Full form of)  BASIC — Beginner's All-Purpose Symbolic Instruction Code
    * What is meaning of (Full form of)  BBP — Baseband Processor
    * What is meaning of (Full form of)  BBS — Bulletin Board System
    * What is meaning of (Full form of)  BCD — Binary Coded Decimal
    * What is meaning of (Full form of)  BEEP — Blocks Extensible Exchange Protocol
    * What is meaning of (Full form of)  BER — Bit Error Rate
    * What is meaning of (Full form of)  BFD — Binary File Descriptor
    * What is meaning of (Full form of)  BFS — Breadth-First Search
    * What is meaning of (Full form of)  BGP — Border Gateway Protocol
    * What is meaning of (Full form of)  BiDi — Bi-Directional
    * What is meaning of (Full form of)  bin — binary
    * What is meaning of (Full form of)  BINAC — Binary Automatic Computer
    * What is meaning of (Full form of)  BIND — Berkeley Internet Name Daemon
    * What is meaning of (Full form of)  BIOS — Basic Input Output System
    * What is meaning of (Full form of)  BJT — Bipolar Junction Transistor
    * What is meaning of (Full form of)  bit — binary digit
    * What is meaning of (Full form of)  Blob — Binary large object
    * What is meaning of (Full form of)  Blog — Web Log
    * What is meaning of (Full form of)  BMP — Basic Multilingual Plane
    * What is meaning of (Full form of)  BNC — Bayonet Neill-Concelman
    * What is meaning of (Full form of)  BOINC — Berkeley Open Infrastructure for Network Computing
    * What is meaning of (Full form of)  BOM — Byte Order Mark
    * What is meaning of (Full form of)  BOOTP — Bootstrap Protocol
    * What is meaning of (Full form of)  BPDU — Bridge Protocol Data Unit
    * What is meaning of (Full form of)  BPEL — Business Process Execution Language
    * What is meaning of (Full form of)  BPL — Broadband over Power Lines
    * What is meaning of (Full form of)  bps — bits per second
    * What is meaning of (Full form of)  BRR — Business Readiness Rating
    * What is meaning of (Full form of)  BSA — Business Software Alliance
    * What is meaning of (Full form of)  BSD — Berkeley Software Distribution (Unix variant)
    * What is meaning of (Full form of)  BSoD — Blue Screen of Death
    * What is meaning of (Full form of)  BSS — Block Started by Symbol
    * What is meaning of (Full form of)  BT — BitTorrent
    * What is meaning of (Full form of)  BT — Bluetooth
    * What is meaning of (Full form of)  BTAM — Basic Telecomunications Acess Method (an IBM OS/360 API)
    * What is meaning of (Full form of)  BW — Bandwidth

C
    * What is meaning of (Full form of)  CA — Certificate Authority
    * What is meaning of (Full form of)  CAD — Computer-Aided Design
    * What is meaning of (Full form of)  CAE — Computer-Aided Engineering
    * What is meaning of (Full form of)  CAID — Computer Aided Industrial Design
    * What is meaning of (Full form of)  CAI — Computer-Aided Instruction
    * What is meaning of (Full form of)  CAM — Computer-Aided Manufacturing
    * What is meaning of (Full form of)  CAPTCHA — Completely Automated Public Turing Test to tell Computers and Humans Apart
    * What is meaning of (Full form of)  CAT - Computer-Aided Translation
    * What is meaning of (Full form of)  CAQ — Computer Aided Quality
    * What is meaning of (Full form of)  CASE — Computer-Aided Software Engineering
    * What is meaning of (Full form of)  cc — C Compiler
    * What is meaning of (Full form of)  CD — Compact Disc
    * What is meaning of (Full form of)  CDE — Common Desktop Environment
    * What is meaning of (Full form of)  CDMA — Code Division Multiple Access
    * What is meaning of (Full form of)  CDP — Continuous Data Protection
    * What is meaning of (Full form of)  CD-R — CD-Recordable
    * What is meaning of (Full form of)  CD-ROM — CD Read-Only Memory
    * What is meaning of (Full form of)  CD-RW — CD-Rewritable
    * What is meaning of (Full form of)  CDSA — Common Data Security Architecture
    * What is meaning of (Full form of)  CERT — Computer Emergency Response Team
    * What is meaning of (Full form of)  CFWS — Comment and/or Folding White Space
    * What is meaning of (Full form of)  CES — Consumer Electronics Show
    * What is meaning of (Full form of)  CF — Compact Flash
    * What is meaning of (Full form of)  CFD — Computational Fluid Dynamics
    * What is meaning of (Full form of)  CFG — Context-Free Grammar
    * What is meaning of (Full form of)  CFG — Control Flow Graph
    * What is meaning of (Full form of)  CG — Computer Graphics
    * What is meaning of (Full form of)  CGA — Color Graphics Array
    * What is meaning of (Full form of)  CGI — Common Gateway Interface
    * What is meaning of (Full form of)  CGI — Computer-Generated Imagery
    * What is meaning of (Full form of)  CGT — Computational Graph Theory
    * What is meaning of (Full form of)  CHAP — Challenge-Handshake Authentication Protocol
    * What is meaning of (Full form of)  CHS — Cylinder-Head-Sector
    * What is meaning of (Full form of)  CIFS — Common Internet Filesystem
    * What is meaning of (Full form of)  CIM — Common Information Model
    * What is meaning of (Full form of)  CISC — Complex Instruction Set Computer
    * What is meaning of (Full form of)  CJK — Chinese, Japanese, and Korean
    * What is meaning of (Full form of)  CJKV — Chinese, Japanese, Korean, and Vietnamese
    * What is meaning of (Full form of)  CLI — Command Line Interface
    * What is meaning of (Full form of)  CLR — Common Language Runtime
    * What is meaning of (Full form of)  CM — Configuration Management
    * What is meaning of (Full form of)  CM — Content Management
    * What is meaning of (Full form of)  CMOS — Complementary Metal-Oxide Semiconductor
    * What is meaning of (Full form of)  CMS — Content Management System
    * What is meaning of (Full form of)  CN — Canonical Name
    * What is meaning of (Full form of)  CN — Common Name
    * What is meaning of (Full form of)  CNC — Computer Numerical Control
    * What is meaning of (Full form of)  CNR — Communications and Networking Riser
    * What is meaning of (Full form of)  COBOL — Common Business-Oriented Language
    * What is meaning of (Full form of)  COM — Component Object Model
    * What is meaning of (Full form of)  CORBA — Common Object Request Broker Architecture
    * What is meaning of (Full form of)  COTS — Commercial Off-The-Shelf
    * What is meaning of (Full form of)  CPA — Cell Processor Architecture
    * What is meaning of (Full form of)  CPA — Control Panel Applet
    * What is meaning of (Full form of)  CPA — Converged Packet Access
    * What is meaning of (Full form of)  CPAN — Comprehensive Perl Archive Network
    * What is meaning of (Full form of)  CP/M — Control Program/Monitor
    * What is meaning of (Full form of)  cps — characters per second
    * What is meaning of (Full form of)  CPU — Central Processing Unit
    * What is meaning of (Full form of)  CR — Carriage Return
    * What is meaning of (Full form of)  CRAN — Comprehensive R Archive Network
    * What is meaning of (Full form of)  CRC — Cyclic Redundancy Check
    * What is meaning of (Full form of)  CRLF — Carriage Return Line Feed
    * What is meaning of (Full form of)  CRM — Customer Relationship Management
    * What is meaning of (Full form of)  CRT — Cathode Ray Tube
    * What is meaning of (Full form of)  CS — Cable Select
    * What is meaning of (Full form of)  CS — Computer Science
    * What is meaning of (Full form of)  CSE — Computer Science and Engineering
    * What is meaning of (Full form of)  CSI — Common System Interface
    * What is meaning of (Full form of)  CSRF — Cross-Site Request Forgery
    * What is meaning of (Full form of)  CSS — Cascading Style Sheets
    * What is meaning of (Full form of)  CSS — Content-Scrambling System
    * What is meaning of (Full form of)  CSS — Closed Source Software
    * What is meaning of (Full form of)  CSS — Cross-Site Scripting
    * What is meaning of (Full form of)  CSV — Comma-Separated Values
    * What is meaning of (Full form of)  CT — Computerized Tomography
    * What is meaning of (Full form of)  CTAN — Comprehensive TeX Archive Network
    * What is meaning of (Full form of)  CTCP — Client-To-Client Protocol
    * What is meaning of (Full form of)  CTI — Computer Telephony Integration
    * What is meaning of (Full form of)  CTL — Computational Tree Logic
    * What is meaning of (Full form of)  CTM — Close To Metal
    * What is meaning of (Full form of)  CTS — Clear To Send
    * What is meaning of (Full form of)  CTSS — Compatible Time-Sharing System
    * What is meaning of (Full form of)  CUA — Common User Access
    * What is meaning of (Full form of)  CVS — Concurrent Versioning System

D
    * What is meaning of (Full form of)  DAC — Digital-To-Analog Converter
    * What is meaning of (Full form of)  DAC — Discretionary Access Control
    * What is meaning of (Full form of)  DAO — Data Access Objects
    * What is meaning of (Full form of)  DAO — Disk-At-Once
    * What is meaning of (Full form of)  DAP — Directory Access Protocol
    * What is meaning of (Full form of)  DARPA — Defense Advanced Research Projects Agency
    * What is meaning of (Full form of)  DAT — Digital Audio Tape
    * What is meaning of (Full form of)  DB — Database
    * What is meaning of (Full form of)  DBA — Database Administrator
    * What is meaning of (Full form of)  DBCS — Double Byte Character Set
    * What is meaning of (Full form of)  DBMS — Database Management System
    * What is meaning of (Full form of)  DCC — Direct Client-to-Client
    * What is meaning of (Full form of)  DCCA — Debian Common Core Alliance
    * What is meaning of (Full form of)  DCL — Data Control Language
    * What is meaning of (Full form of)  DCMI — Dublin Core Metadata Initiative
    * What is meaning of (Full form of)  DCOM — Distributed Component Object Model
    * What is meaning of (Full form of)  DD — Double Density
    * What is meaning of (Full form of)  DDE — Dynamic Data Exchange
    * What is meaning of (Full form of)  DDL — Data Definition Language
    * What is meaning of (Full form of)  DDoS — Distributed Denial of Service
    * What is meaning of (Full form of)  DDR — Double Data Rate
    * What is meaning of (Full form of)  DEC — Digital Equipment Corporation
    * What is meaning of (Full form of)  DES — Data Encryption Standard
    * What is meaning of (Full form of)  dev — device
    * What is meaning of (Full form of)  DFA — Deterministic Finite Automaton
    * What is meaning of (Full form of)  DFD — Data Flow Diagram
    * What is meaning of (Full form of)  DFS — Depth-First Search
    * What is meaning of (Full form of)  DFS — Distributed File System
    * What is meaning of (Full form of)  DHCP — Dynamic Host Configuration Protocol
    * What is meaning of (Full form of)  DHTML — Dynamic HTML
    * What is meaning of (Full form of)  DIMM — Dual Inline Memory Module
    * What is meaning of (Full form of)  DIN — Deutsches Institut für Normung
    * What is meaning of (Full form of)  DIP — Dual In-line Package
    * What is meaning of (Full form of)  DIVX — Digital Video Express
    * What is meaning of (Full form of)  DIY - Do It Yourself devices
    * What is meaning of (Full form of)  DKIM — Domain Keys Identified Mail
    * What is meaning of (Full form of)  DL — Download
    * What is meaning of (Full form of)  DLL — Dynamic Link Library
    * What is meaning of (Full form of)  DLP — Digital Light Processing
    * What is meaning of (Full form of)  DMA — Direct Memory Access
    * What is meaning of (Full form of)  DMCA — Digital Millennium Copyright Act
    * What is meaning of (Full form of)  DML — Data Manipulation Language
    * What is meaning of (Full form of)  DMR — Dennis M. Ritchie
    * What is meaning of (Full form of)  DN — Distinguished Name
    * What is meaning of (Full form of)  DND — Drag-and-Drop
    * What is meaning of (Full form of)  DNS — Domain Name System
    * What is meaning of (Full form of)  DOCSIS — Data Over Cable Service Interface Specification
    * What is meaning of (Full form of)  DOM — Document Object Model
    * What is meaning of (Full form of)  DoS — Denial of Service
    * What is meaning of (Full form of)  DOS — Disk Operating System
    * What is meaning of (Full form of)  DP — Dot Pitch
    * What is meaning of (Full form of)  DPI — Dots Per Inch
    * What is meaning of (Full form of)  DPMI — DOS Protected Mode Interface
    * What is meaning of (Full form of)  DPMS — Display Power Management Signaling
    * What is meaning of (Full form of)  DRAM — Dynamic Random Access Memory
    * What is meaning of (Full form of)  DRI — Direct Rendering Infrastructure
    * What is meaning of (Full form of)  DRM — Digital Rights Management
    * What is meaning of (Full form of)  DRM — Direct Rendering Manager
    * What is meaning of (Full form of)  DSDL — Document Schema Definition Languages
    * What is meaning of (Full form of)  DSDM — Dynamic Systems Development Method
    * What is meaning of (Full form of)  DSL — Digital Subscriber Line
    * What is meaning of (Full form of)  DSL — Domain-Specific Language
    * What is meaning of (Full form of)  DSLAM — Digital subscriber line access multiplexer
    * What is meaning of (Full form of)  DSN — Database Source Name (ODBC)
    * What is meaning of (Full form of)  DSN — Dataset Name? (OS/390)
    * What is meaning of (Full form of)  DSP — Digital Signal Processor
    * What is meaning of (Full form of)  DSSSL — Document Style Semantics and Specification Language
    * What is meaning of (Full form of)  DTD — Document Type Definition
    * What is meaning of (Full form of)  DTE — Data Terminal Equipment
    * What is meaning of (Full form of)  DTP — Desktop Publishing
    * What is meaning of (Full form of)  DTR — Data Terminal Ready
    * What is meaning of (Full form of)  DVD — Digital Versatile Disc
    * What is meaning of (Full form of)  DVD — Digital Video Disc
    * What is meaning of (Full form of)  DVD-R — DVD-Recordable
    * What is meaning of (Full form of)  DVD-ROM — DVD-Read Only Memory
    * What is meaning of (Full form of)  DVD-RW — DVD-Rewritable
    * What is meaning of (Full form of)  DVI — Digital Visual Interface
    * What is meaning of (Full form of)  DVR — Digital Video Recorder (see also PVR)

E
    * What is meaning of (Full form of)  EAI — Enterprise Application Integration
    * What is meaning of (Full form of)  EAP — Extensible Authentication Protocol
    * What is meaning of (Full form of)  EBCDIC — Extended Binary Coded Decimal Interchange Code
    * What is meaning of (Full form of)  EBML — Extensible Binary Meta Language
    * What is meaning of (Full form of)  ECC — Elliptic Curve Cryptography
    * What is meaning of (Full form of)  ECMA — European Computer Manufacturers Association
    * What is meaning of (Full form of)  EDA — Electronic Design Automation
    * What is meaning of (Full form of)  EDI — Electronic Data Interchange
    * What is meaning of (Full form of)  EDO — Extended Data Out
    * What is meaning of (Full form of)  EDSAC — Electronic Delay Storage Automatic Computer
    * What is meaning of (Full form of)  EDVAC — Electronic Discrete Variable Automatic Computer
    * What is meaning of (Full form of)  EEPROM — Electronically-Eraseable Programmable Read-Only Memory
    * What is meaning of (Full form of)  EFF — Electronic Frontier Foundation
    * What is meaning of (Full form of)  EFI — Extensible Firmware Interface
    * What is meaning of (Full form of)  EFM — Eight-to-Fourteen Modulation
    * What is meaning of (Full form of)  EGA — Enhanced Graphics Array
    * What is meaning of (Full form of)  EGP — Exterior Gateway Protocol
    * What is meaning of (Full form of)  eID — electronic ID card
    * What is meaning of (Full form of)  EIDE — Enhanced IDE
    * What is meaning of (Full form of)  EIGRP — Enhanced Interior Gateway Routing Protocol
    * What is meaning of (Full form of)  EISA — Extended Industry Standard Architecture
    * What is meaning of (Full form of)  ELF — Extremely Low Frequency
    * What is meaning of (Full form of)  ELF — Executable and Linkable Format
    * What is meaning of (Full form of)  ELM — Electronic Mail
    * What is meaning of (Full form of)  EMACS — Editor Macros
    * What is meaning of (Full form of)  EMS — Expanded Memory Specification
    * What is meaning of (Full form of)  ENIAC — Electronic Numerical Integrator And Computer
    * What is meaning of (Full form of)  EOF — End of File
    * What is meaning of (Full form of)  EOL — End of Life
    * What is meaning of (Full form of)  EOL — End of Line
    * What is meaning of (Full form of)  EOM — End of Message
    * What is meaning of (Full form of)  EPROM — Eraseable Programmable Read-Only Memory
    * What is meaning of (Full form of)  ERP — Enterprise Resource Planning
    * What is meaning of (Full form of)  ESCON — Enterprise Systems Connection
    * What is meaning of (Full form of)  ESD — Electrostatic Discharge
    * What is meaning of (Full form of)  ETL — Extract, Transform, Load
    * What is meaning of (Full form of)  ESR — Eric Steven Raymond
    * What is meaning of (Full form of)  EUC — Extended Unix Code
    * What is meaning of (Full form of)  EULA — End User License Agreement

F
    * What is meaning of (Full form of)  FAP — FORTRAN Assembly Program
    * What is meaning of (Full form of)  FAT — File Allocation Table
    * What is meaning of (Full form of)  FAQ — Frequently Asked Questions
    * What is meaning of (Full form of)  FBDIMM — Fully Buffered Dual Inline Memory Module
    * What is meaning of (Full form of)  FC-AL — Fiber Channel Arbitrated Loop
    * What is meaning of (Full form of)  FCB — File Control Block
    * What is meaning of (Full form of)  FDC — Floppy Disk Controller
    * What is meaning of (Full form of)  FDS — Fedora Directory Server
    * What is meaning of (Full form of)  FDD — Floppy Disk Drive
    * What is meaning of (Full form of)  FDDI — Fiber Distributed Data Interface
    * What is meaning of (Full form of)  FDMA — Frequency-Division Multiple Access
    * What is meaning of (Full form of)  FEC — Forward Error Correction
    * What is meaning of (Full form of)  FEMB — Front-End Motherboard
    * What is meaning of (Full form of)  FET — Field Effect Transistor
    * What is meaning of (Full form of)  FICON — Fiber Connectivity
    * What is meaning of (Full form of)  FIFO — First In First Out
    * What is meaning of (Full form of)  FHS — Filesystem Hierarchy Standard
    * What is meaning of (Full form of)  FLAC — Free Lossless Audio Codec
    * What is meaning of (Full form of)  FLOPS — FLoating-Point Operations Per Second
    * What is meaning of (Full form of)  FLOSS — Free/Libre/Open Source Software
    * What is meaning of (Full form of)  FOLDOC — Free On-line Dictionary of Computing
    * What is meaning of (Full form of)  FOSDEM — Free and Open source Software Developers' European Meeting
    * What is meaning of (Full form of)  FOSI — Formatted Output Specification Instance
    * What is meaning of (Full form of)  FOSS — Free and Open Source Software
    * What is meaning of (Full form of)  FPGA — Field Programmable Gate Array
    * What is meaning of (Full form of)  FPU — Floating Point Unit
    * What is meaning of (Full form of)  FS — File System
    * What is meaning of (Full form of)  FSB — Front Side Bus
    * What is meaning of (Full form of)  FSF — Free Software Foundation
    * What is meaning of (Full form of)  FSM — Finite State Machine
    * What is meaning of (Full form of)  FTTC — Fiber To The Curb
    * What is meaning of (Full form of)  FTTH — Fiber To The Home
    * What is meaning of (Full form of)  FTTP — Fiber To The Premises
    * What is meaning of (Full form of)  FTP — File Transfer Protocol
    * What is meaning of (Full form of)  FQDN — Fully Qualified Domain Name
    * What is meaning of (Full form of)  FUCT — Failed Under Continuous Test
    * What is meaning of (Full form of)  FUD — Fear Uncertainty Doubt
    * What is meaning of (Full form of)  FWS — Folding White Space
    * What is meaning of (Full form of)  FXP — File eXchange Protocol

G
    * What is meaning of (Full form of)  G11N — Globalization
    * What is meaning of (Full form of)  Gb — Gigabit
    * What is meaning of (Full form of)  GB — Gigabyte
    * What is meaning of (Full form of)  GCC — GNU Compiler Collection (formerly GNU C Compiler)
    * What is meaning of (Full form of)  GCJ — GNU Compiler for Java
    * What is meaning of (Full form of)  GCR — Group Code Recording
    * What is meaning of (Full form of)  GDB — GNU Debugger
    * What is meaning of (Full form of)  GDI — Graphics Device Interface
    * What is meaning of (Full form of)  GFDL — GNU Free Documentation License
    * What is meaning of (Full form of)  GIF — Graphics Interchange Format
    * What is meaning of (Full form of)  GIGO — Garbage In, Garbage Out
    * What is meaning of (Full form of)  GIMP — GNU Image Manipulation Program
    * What is meaning of (Full form of)  GIMPS — Great Internet Mersenne Prime Search
    * What is meaning of (Full form of)  GIS — Geographic Information System
    * What is meaning of (Full form of)  GLUT — OpenGL Utility Toolkit
    * What is meaning of (Full form of)  GNOME — GNU Network Object Model Environment
    * What is meaning of (Full form of)  GNU — GNU's Not Unix
    * What is meaning of (Full form of)  GOMS — Goals, Operators, Methods, and Selection rules
    * What is meaning of (Full form of)  GPG — GNU Privacy Guard
    * What is meaning of (Full form of)  GPGPU — General-Purpose Computing on Graphics Processing Units
    * What is meaning of (Full form of)  GPIB — General-Purpose Instrumentation Bus
    * What is meaning of (Full form of)  GPL — General Public License
    * What is meaning of (Full form of)  GPL — General-Purpose Language
    * What is meaning of (Full form of)  GPRS — General Packet Radio Service
    * What is meaning of (Full form of)  GPT — GUID Partition Table
    * What is meaning of (Full form of)  GPU — Graphics Processing Unit
    * What is meaning of (Full form of)  GRUB — Grand Unified Boot-Loader
    * What is meaning of (Full form of)  GSM — Global System for Mobile Communications
    * What is meaning of (Full form of)  GTK+ — GIMP Toolkit
    * What is meaning of (Full form of)  GUI — Graphical User Interface
    * What is meaning of (Full form of)  GUID — Globally Unique IDentifier
    * What is meaning of (Full form of)  GWT — Google Web Toolkit

H
    * What is meaning of (Full form of)  HAL — Hardware Abstraction Layer
    * What is meaning of (Full form of)  HBA — Host Bus Adapter
    * What is meaning of (Full form of)  HCI — Human Computer Interaction
    * What is meaning of (Full form of)  HD — High Density
    * What is meaning of (Full form of)  HDD — Hard Disk Drive
    * What is meaning of (Full form of)  HD DVD — High Definition DVD
    * What is meaning of (Full form of)  HDL — Hardware Description Language
    * What is meaning of (Full form of)  HF — High Frequency
    * What is meaning of (Full form of)  HHD — Hybrid Hard Drive
    * What is meaning of (Full form of)  HID — Human Interface Device
    * What is meaning of (Full form of)  HIG — Human Interface Guidelines
    * What is meaning of (Full form of)  HIRD — Hurd of Interfaces Representing Depth
    * What is meaning of (Full form of)  HMA — High Memory Area
    * What is meaning of (Full form of)  HP — Hewlett-Packard
    * What is meaning of (Full form of)  HPC — High-Performance Computing
    * What is meaning of (Full form of)  HPFS — High Performance File System
    * What is meaning of (Full form of)  HSM — Hierarchical Storage Management
    * What is meaning of (Full form of)  HT — Hyper Threading
    * What is meaning of (Full form of)  HTM — Hierarchical Temporal Memory
    * What is meaning of (Full form of)  HTML — Hypertext Markup Language
    * What is meaning of (Full form of)  HTTP — Hypertext Transfer Protocol
    * What is meaning of (Full form of)  HTTPd — Hypertext Transport Protocol Daemon
    * What is meaning of (Full form of)  HTX — HyperTransport eXpansion
    * What is meaning of (Full form of)  HURD — Hird of Unix-Replacing Daemons
    * What is meaning of (Full form of)  HVD — Holographic Versatile Disc
    * What is meaning of (Full form of)  Hz — Hertz

I
    * What is meaning of (Full form of)  I2C — Inter-Integrated Circuit
    * What is meaning of (Full form of)  I18N — Internationalization
    * What is meaning of (Full form of)  IANA — Internet Assigned Numbers Authority
    * What is meaning of (Full form of)  iBCS — Intel Binary Compatibility Standard
    * What is meaning of (Full form of)  IBM — International Business Machines
    * What is meaning of (Full form of)  IC — Integrated Circuit
    * What is meaning of (Full form of)  ICANN — Internet Corporation for Assigned Names and Numbers
    * What is meaning of (Full form of)  ICE — In-Circuit Emulator
    * What is meaning of (Full form of)  ICE — Intrusion Countermeasure Electronics
    * What is meaning of (Full form of)  ICMP — Internet Control Message Protocol
    * What is meaning of (Full form of)  ICP — Internet Cache Protocol
    * What is meaning of (Full form of)  ICT — Information and Communication Technology
    * What is meaning of (Full form of)  IDE — Integrated Development Environment
    * What is meaning of (Full form of)  IDE — Integrated Drive Electronics
    * What is meaning of (Full form of)  IDL — Interface Definition Language
    * What is meaning of (Full form of)  IDS — Intrusion Detection System
    * What is meaning of (Full form of)  IE — Internet Explorer
    * What is meaning of (Full form of)  IEC — International Electrotechnical Commission
    * What is meaning of (Full form of)  IEEE — Institute of Electrical and Electronics Engineers
    * What is meaning of (Full form of)  IETF — Internet Engineering Task Force
    * What is meaning of (Full form of)  IFL — Integrated Facility for Linux
    * What is meaning of (Full form of)  IGMP — Internet Group Management Protocol
    * What is meaning of (Full form of)  IGRP — Interior Gateway Routing Protocol
    * What is meaning of (Full form of)  IHV — Independent Hardware Vendor
    * What is meaning of (Full form of)  IIOP — Internet Inter-Orb Protocol
    * What is meaning of (Full form of)  IIS — Internet Information Services
    * What is meaning of (Full form of)  IM — Instant Messaging
    * What is meaning of (Full form of)  IMAP — Internet Message Access Protocol
    * What is meaning of (Full form of)  IME — Input Method Editor
    * What is meaning of (Full form of)  INFOSEC — Information Systems Security
    * What is meaning of (Full form of)  I/O — Input/Output
    * What is meaning of (Full form of)  IP — Intellectual Property
    * What is meaning of (Full form of)  IP — Internet Protocol
    * What is meaning of (Full form of)  IPC — Inter-Process Communication
    * What is meaning of (Full form of)  IPL — Initial Program Load
    * What is meaning of (Full form of)  IPP — Internet Printing Protocol
    * What is meaning of (Full form of)  IPS — Intrusion Prevention System
    * What is meaning of (Full form of)  IPsec — Internet Protocol security
    * What is meaning of (Full form of)  IPTV — Internet Protocol Television
    * What is meaning of (Full form of)  IPX — Internetwork Packet Exchange
    * What is meaning of (Full form of)  IRC — Internet Relay Chat
    * What is meaning of (Full form of)  IrDA — Infrared Data Association
    * What is meaning of (Full form of)  IRP — I/O Request Packet
    * What is meaning of (Full form of)  IRQ — Interrupt Request
    * What is meaning of (Full form of)  IS — Information Systems
    * What is meaning of (Full form of)  ISA — Industry Standard Architecture
    * What is meaning of (Full form of)  ISAM — Indexed Sequential Access Method
    * What is meaning of (Full form of)  ISC — Internet Storm Center
    * What is meaning of (Full form of)  ISDN — Integrated Services Digital Network
    * What is meaning of (Full form of)  ISO — International Organization for Standardization
    * What is meaning of (Full form of)  ISP — Internet Service Provider
    * What is meaning of (Full form of)  ISPF — Interactive System Productivity Facility
    * What is meaning of (Full form of)  ISR — Interrupt Service Routine
    * What is meaning of (Full form of)  ISV — Independent Software Vendor
    * What is meaning of (Full form of)  IT — Information Technology
    * What is meaning of (Full form of)  ITL — Interval Temporal Logic
    * What is meaning of (Full form of)  ITU — International Telecommunication Union

J
    * What is meaning of (Full form of)  J2CE — Java 2 Cryptographic Edition
    * What is meaning of (Full form of)  J2EE — Java 2 Enterprise Edition
    * What is meaning of (Full form of)  J2ME — Java 2 Micro Edition
    * What is meaning of (Full form of)  J2SE — Java 2 Standard Edition
    * What is meaning of (Full form of)  JAXB — Java Architecture for XML Binding
    * What is meaning of (Full form of)  JAX-RPC — Java XML for Remote Procedure Calls
    * What is meaning of (Full form of)  JAXP — Java API for XML Processing
    * What is meaning of (Full form of)  JBOD — Just a Bunch of Disks
    * What is meaning of (Full form of)  JCL — Job Control Language
    * What is meaning of (Full form of)  JCP — Java Community Process
    * What is meaning of (Full form of)  JDBC — Java Database Connectivity
    * What is meaning of (Full form of)  JDK — Java Development Kit
    * What is meaning of (Full form of)  JES — Job Entry Subsystem
    * What is meaning of (Full form of)  JDS — Java Desktop System
    * What is meaning of (Full form of)  JFC — Java Foundation Classes
    * What is meaning of (Full form of)  JFET — Junction Field-Effect Transistor
    * What is meaning of (Full form of)  JFS — IBM Journaling Filesystem
    * What is meaning of (Full form of)  JINI — Jini Is Not Initials
    * What is meaning of (Full form of)  JIT — Just-In-Time
    * What is meaning of (Full form of)  JMX — Java Management Extentions
    * What is meaning of (Full form of)  JMS — Java Message Service
    * What is meaning of (Full form of)  JNDI — Java Naming and Directory Interface
    * What is meaning of (Full form of)  JNI — Java Native Interface
    * What is meaning of (Full form of)  JPEG — Joint Photographic Experts Group
    * What is meaning of (Full form of)  JRE — Java Runtime Environment
    * What is meaning of (Full form of)  JS — JavaScript
    * What is meaning of (Full form of)  JSON — JavaScript Object Notation
    * What is meaning of (Full form of)  JSP — Jackson Structured Programming
    * What is meaning of (Full form of)  JSP — JavaServer Pages
    * What is meaning of (Full form of)  JTAG — Joint Test Action Group
    * What is meaning of (Full form of)  JUG — Java Users Group
    * What is meaning of (Full form of)  JVM — Java Virtual Machine
    * What is meaning of (Full form of)  jwz — Jamie Zawinski

K
    * What is meaning of (Full form of)  K&R — Kernighan and Ritchie
    * What is meaning of (Full form of)  KB — Keyboard
    * What is meaning of (Full form of)  Kb — Kilobit
    * What is meaning of (Full form of)  KB — Kilobyte
    * What is meaning of (Full form of)  KB — Knowledge Base
    * What is meaning of (Full form of)  KDE — K Desktop Environment
    * What is meaning of (Full form of)  kHz — Kilohertz
    * What is meaning of (Full form of)  KISS — Keep It Simple, Stupid
    * What is meaning of (Full form of)  KVM — Keyboard, Video, Mouse

L
    * What is meaning of (Full form of)  L10N — Localization
    * What is meaning of (Full form of)  LAMP — Linux Apache MySQL (Perl, PHP, or Python)
    * What is meaning of (Full form of)  LAN — Local Area Network
    * What is meaning of (Full form of)  LBA — Logical Block Addressing
    * What is meaning of (Full form of)  LCD — Liquid Crystal Display
    * What is meaning of (Full form of)  LCOS — Liquid Crystal On Silicon
    * What is meaning of (Full form of)  LDAP — Lightweight Directory Access Protocol
    * What is meaning of (Full form of)  LE — Logical Extents
    * What is meaning of (Full form of)  LED — Light-Emitting Diode
    * What is meaning of (Full form of)  LF — Line Feed
    * What is meaning of (Full form of)  LF — Low Frequency
    * What is meaning of (Full form of)  LFS — Linux From Scratch
    * What is meaning of (Full form of)  lib — library
    * What is meaning of (Full form of)  LIF — Low Insertion Force
    * What is meaning of (Full form of)  LIFO — Last In First Out
    * What is meaning of (Full form of)  LILO — Linux Loader
    * What is meaning of (Full form of)  LKML — Linux Kernel Mailing List
    * What is meaning of (Full form of)  LM — LanManager
    * What is meaning of (Full form of)  LGPL — [GNU] Lesser General Public License
    * What is meaning of (Full form of)  LOC — Lines of Code
    * What is meaning of (Full form of)  LPI — Linux Professional Institute
    * What is meaning of (Full form of)  LSB — Least Significant Bit
    * What is meaning of (Full form of)  LSB — Linux Standard Base
    * What is meaning of (Full form of)  LSI — Large-Scale Integration
    * What is meaning of (Full form of)  LTL — Linear Temporal Logic
    * What is meaning of (Full form of)  LTR — Left-to-Right
    * What is meaning of (Full form of)  LUG — Linux User Group
    * What is meaning of (Full form of)  LUN — Logical Unit Number
    * What is meaning of (Full form of)  LV — Logical Volume
    * What is meaning of (Full form of)  LVD — Low Voltage Differential
    * What is meaning of (Full form of)  LVM — Logical Volume Management
    * What is meaning of (Full form of)  LZW — Lempel-Ziv-Welch

M
    * What is meaning of (Full form of)  MAC — Mandatory Access Control
    * What is meaning of (Full form of)  MAC — Media Access Control
    * What is meaning of (Full form of)  MAN — Metropolitan Area Network
    * What is meaning of (Full form of)  MANET — Mobile Ad-Hoc Network
    * What is meaning of (Full form of)  MAPI — Messaging Application Programming Interface
    * What is meaning of (Full form of)  Mb — Megabit
    * What is meaning of (Full form of)  MB — Megabyte
    * What is meaning of (Full form of)  MBCS — Multi Byte Character Set
    * What is meaning of (Full form of)  MBR — Master Boot Record
    * What is meaning of (Full form of)  MCA — Micro Channel Architecture
    * What is meaning of (Full form of)  MCSA — Microsoft Certified System Administrator
    * What is meaning of (Full form of)  MCSD — Microsoft Certified System Developer
    * What is meaning of (Full form of)  MCSE — Microsoft Certified System Engineer
    * What is meaning of (Full form of)  MDA — Mail Delivery Agent
    * What is meaning of (Full form of)  MDA — Model-Driven Architecture
    * What is meaning of (Full form of)  MDA — Monochrome Display Adapter
    * What is meaning of (Full form of)  MDI — Multiple Document Interface
    * What is meaning of (Full form of)  ME — [Windows] Millennium Edition
    * What is meaning of (Full form of)  MF — Medium Frequency
    * What is meaning of (Full form of)  MFC — Microsoft Foundation Classes
    * What is meaning of (Full form of)  MFM — Modified Frequency Modulation
    * What is meaning of (Full form of)  MGPT — Machine Generated Problem Tracking
    * What is meaning of (Full form of)  MHz — Megahertz
    * What is meaning of (Full form of)  MIB — Management Information Base
    * What is meaning of (Full form of)  MICR-Magnetic Ink Character Reader
    * What is meaning of (Full form of)  MIDI — Musical Instrument Digital Interface
    * What is meaning of (Full form of)  MIMD — Multiple Instruction, Multiple Data
    * What is meaning of (Full form of)  MIMO — Multiple-Input Multiple-Output
    * What is meaning of (Full form of)  MIPS — Million Instructions Per Second
    * What is meaning of (Full form of)  MIPS — Microprocessor without Interlocked Pipeline Stages
    * What is meaning of (Full form of)  MIS — Management Information Systems
    * What is meaning of (Full form of)  MISD — Multiple Instruction, Single Data
    * What is meaning of (Full form of)  MIT — Massachusetts Institute of Technology
    * What is meaning of (Full form of)  MIME — Multipurpose Internet Mail Extensions
    * What is meaning of (Full form of)  MMDS — Mortality Medical Data System
    * What is meaning of (Full form of)  MMI — Man Machine Interface.
    * What is meaning of (Full form of)  MMIO — Memory-Mapped I/O
    * What is meaning of (Full form of)  MMORPG — Massively Multiplayer Online Role-Playing Game
    * What is meaning of (Full form of)  MMU — Memory Management Unit
    * What is meaning of (Full form of)  MMX — Multi-Media Extensions
    * What is meaning of (Full form of)  MNG — Multiple-image Network Graphics
    * What is meaning of (Full form of)  MoBo — Motherboard
    * What is meaning of (Full form of)  MOO — MUD Object Oriented
    * What is meaning of (Full form of)  MOSFET — Metal-Oxide Semiconductor FET
    * What is meaning of (Full form of)  MOTD — Message Of The Day
    * What is meaning of (Full form of)  MPAA — Motion Picture Association of America
    * What is meaning of (Full form of)  MPEG — Motion Pictures (Coding) Experts Group
    * What is meaning of (Full form of)  MPL — Mozilla Public License
    * What is meaning of (Full form of)  MPU — Microprocessor Unit
    * What is meaning of (Full form of)  MS — Memory Stick
    * What is meaning of (Full form of)  MS — Microsoft
    * What is meaning of (Full form of)  MSB — Most Significant Bit
    * What is meaning of (Full form of)  MS-DOS — Microsoft DOS
    * What is meaning of (Full form of)  MT — Machine Translation
    * What is meaning of (Full form of)  MTA — Mail Transfer Agent
    * What is meaning of (Full form of)  MTU — Maximum Transmission Unit
    * What is meaning of (Full form of)  MSA — Mail Submission Agent
    * What is meaning of (Full form of)  MSDN — Microsoft Developer Network
    * What is meaning of (Full form of)  MSI — Medium-Scale Integration
    * What is meaning of (Full form of)  MUA — Mail User Agent
    * What is meaning of (Full form of)  MUD — Multi-User Dungeon
    * What is meaning of (Full form of)  MVC — Model-View-Controller
    * What is meaning of (Full form of)  MVP — Most Valuable Professional
    * What is meaning of (Full form of)  MVS — Multiple Virtual Storage
    * What is meaning of (Full form of)  MX — Mail exchange

N
    * What is meaning of (Full form of)  NACK — Negative ACKnowedgement
    * What is meaning of (Full form of)  NAK — Negative AcKnowedgement Character
    * What is meaning of (Full form of)  NAS — Network-Attached Storage
    * What is meaning of (Full form of)  NAT — Network Address Translation
    * What is meaning of (Full form of)  NCP — NetWare Core Protocol
    * What is meaning of (Full form of)  NCQ — Native Command Queuing
    * What is meaning of (Full form of)  NCSA — National Center for Supercomputing Applications
    * What is meaning of (Full form of)  NDPS — Novell Distributed Print Services
    * What is meaning of (Full form of)  NDS — Novell Directory Services
    * What is meaning of (Full form of)  NEP — Network Equipment Provider
    * What is meaning of (Full form of)  NEXT — Near-End CrossTalk
    * What is meaning of (Full form of)  NFA — Nondeterministic Finite Automaton
    * What is meaning of (Full form of)  GNSCB — Next-Generation Secure Computing Base
    * What is meaning of (Full form of)  NFS — Network Filesystem
    * What is meaning of (Full form of)  NI — National Instruments
    * What is meaning of (Full form of)  NIC — Network Interface Card
    * What is meaning of (Full form of)  NIM — No Internal Message
    * What is meaning of (Full form of)  NIO — New I/O
    * What is meaning of (Full form of)  NIST — National Institute of Standards and Technology
    * What is meaning of (Full form of)  NLP — Natural Language Processing
    * What is meaning of (Full form of)  NLS — National Language Support
    * What is meaning of (Full form of)  NP — Non-Deterministic Polynomial-Time
    * What is meaning of (Full form of)  NPL — Netscape Public License
    * What is meaning of (Full form of)  NPU — Network Processing Unit
    * What is meaning of (Full form of)  NS — Netscape
    * What is meaning of (Full form of)  NSA — National Security Agency
    * What is meaning of (Full form of)  NSPR — Netscape Portable Runtime
    * What is meaning of (Full form of)  NMI — Non-Maskable Interrupt
    * What is meaning of (Full form of)  NNTP — Network News Transfer Protocol
    * What is meaning of (Full form of)  NOC — Network Operations Center
    * What is meaning of (Full form of)  NOP — No OPeration
    * What is meaning of (Full form of)  NOS — Network Operating System
    * What is meaning of (Full form of)  NPTL — Native POSIX Thread Library
    * What is meaning of (Full form of)  NSS — Novell Storage Service
    * What is meaning of (Full form of)  NSS — Network Security Services
    * What is meaning of (Full form of)  NSS — Name Service Switch
    * What is meaning of (Full form of)  NT (Windows) — New Technology
    * What is meaning of (Full form of)  NTFS — NT Filesystem
    * What is meaning of (Full form of)  NTLM — NT Lan Manager
    * What is meaning of (Full form of)  NTP — Network Time Protocol
    * What is meaning of (Full form of)  NUMA — Non-Uniform Memory Access
    * What is meaning of (Full form of)  NURBS — Nonuniform Rational B-Spline
    * What is meaning of (Full form of)  NVRAM — Non-Volatile Random Access Memory

O
    * What is meaning of (Full form of)  OASIS — Organization for the Advancement of Structured Information Standards
    * What is meaning of (Full form of)  OAT — Operational Acceptance Testing
    * What is meaning of (Full form of)  ODBC — Open Database Connectivity
    * What is meaning of (Full form of)  OEM — Original Equipment Manufacturer
    * What is meaning of (Full form of)  OES — Open Enterprise Server
    * What is meaning of (Full form of)  OFTC — Open and Free Technology Community
    * What is meaning of (Full form of)  OLAP — Online Analytical Processing
    * What is meaning of (Full form of)  OLE — Object Linking and Embedding
    * What is meaning of (Full form of)  OLED — Organic Light Emitting Diode
    * What is meaning of (Full form of)  OLPC — One Laptop per Child
    * What is meaning of (Full form of)  OLTP — Online Transaction Processing
    * What is meaning of (Full form of)  OMG — Object Management Group
    * What is meaning of (Full form of)  OO — Object-Oriented
    * What is meaning of (Full form of)  OO — Open Office
    * What is meaning of (Full form of)  OOo — OpenOffice.org
    * What is meaning of (Full form of)  OOP — Object-Oriented Programming
    * What is meaning of (Full form of)  OPML — Outline Processor Markup Language
    * What is meaning of (Full form of)  ORB — Object Request Broker
    * What is meaning of (Full form of)  ORM — Oject-Relational Mapping
    * What is meaning of (Full form of)  OS — Open Source
    * What is meaning of (Full form of)  OS — Operating System
    * What is meaning of (Full form of)  OSCON — O'Reilly Open Source Convention
    * What is meaning of (Full form of)  OSDN — Open Source Developer Network
    * What is meaning of (Full form of)  OSI — Open Source Initiative
    * What is meaning of (Full form of)  OSI — Open Systems Interconnection
    * What is meaning of (Full form of)  OSPF — Open Shortest Path First
    * What is meaning of (Full form of)  OSS — Open Sound System
    * What is meaning of (Full form of)  OSS — Open-Source Software
    * What is meaning of (Full form of)  OSS — Operational Support Systems
    * What is meaning of (Full form of)  OSTG — Open Source Technology Group (formerly OSDN)
    * What is meaning of (Full form of)  OUI — Organizationally Unique Identifier

P
    * What is meaning of (Full form of)  P2P — Peer-To-Peer
    * What is meaning of (Full form of)  PAN — Personal Area Network
    * What is meaning of (Full form of)  PAP — Password Authentication Protocol
    * What is meaning of (Full form of)  PARC — Palo Alto Research Center
    * What is meaning of (Full form of)  PATA — Parallel ATA
    * What is meaning of (Full form of)  PC — Personal Computer
    * What is meaning of (Full form of)  PCB — Printed Circuit Board
    * What is meaning of (Full form of)  PCB — Process Control Block
    * What is meaning of (Full form of)  PCI — Peripheral Component Interconnect
    * What is meaning of (Full form of)  PCIe — PCI Express
    * What is meaning of (Full form of)  PCL — Printer Command Language
    * What is meaning of (Full form of)  PCMCIA — Personal Computer Memory Card International Association
    * What is meaning of (Full form of)  PCM — Pulse-Code Modulation
    * What is meaning of (Full form of)  PCRE — Perl Compatible Regular Expressions
    * What is meaning of (Full form of)  PD — Public Domain
    * What is meaning of (Full form of)  PDA — Personal Digital Assistant
    * What is meaning of (Full form of)  PDF — Portable Document Format
    * What is meaning of (Full form of)  PDP — Programmed Data Processor
    * What is meaning of (Full form of)  PE — Physical Extents
    * What is meaning of (Full form of)  PEBKAC — Problem Exists Between Keyboard And Chair
    * What is meaning of (Full form of)  PERL — Practical Extraction and Reporting Language
    * What is meaning of (Full form of)  PGA — Pin Grid Array
    * What is meaning of (Full form of)  PGP — Pretty Good Privacy
    * What is meaning of (Full form of)  PHP — PHP: Hypertext Preprocessor
    * What is meaning of (Full form of)  PIC — Peripheral Interface Controller
    * What is meaning of (Full form of)  PIC — Programmable Interrupt Controller
    * What is meaning of (Full form of)  PID — Proportional-Integral-Derivative
    * What is meaning of (Full form of)  PID — Process ID
    * What is meaning of (Full form of)  PIM — Personal Information Manager
    * What is meaning of (Full form of)  PINE — Program for Internet News & Email
    * What is meaning of (Full form of)  PIO — Programmed Input/Output
    * What is meaning of (Full form of)  PKCS — Public Key Cryptography Standards
    * What is meaning of (Full form of)  PKI — Public Key Infrastructure
    * What is meaning of (Full form of)  PLC — Power Line Communication
    * What is meaning of (Full form of)  PLC — Programmable Logic Controller
    * What is meaning of (Full form of)  PLD — Programmable Logic Device
    * What is meaning of (Full form of)  PL/I — Programming Language One
    * What is meaning of (Full form of)  PL/M — Programming Language for Microcomputers
    * What is meaning of (Full form of)  PL/P — Programming Language for Prime
    * What is meaning of (Full form of)  PLT — Power Line Telecoms
    * What is meaning of (Full form of)  PMM — Personal Memory Manager
    * What is meaning of (Full form of)  PMM — POST Memory Manager
    * What is meaning of (Full form of)  PNG — Portable Network Graphics
    * What is meaning of (Full form of)  PnP — Plug-and-Play
    * What is meaning of (Full form of)  PoE — Power over Ethernet
    * What is meaning of (Full form of)  POP — Point of Presence
    * What is meaning of (Full form of)  POP3 — Post Office Protocol v3
    * What is meaning of (Full form of)  POSIX — Portable Operating System Interface
    * What is meaning of (Full form of)  POST — Power-On Self Test
    * What is meaning of (Full form of)  PPC — PowerPC
    * What is meaning of (Full form of)  PPI — Pixels Per Inch
    * What is meaning of (Full form of)  PPP — Point-to-Point Protocol
    * What is meaning of (Full form of)  PPPoA — PPP over ATM
    * What is meaning of (Full form of)  PPPoE — PPP over Ethernet
    * What is meaning of (Full form of)  PPTP — Point-to-Point Tunneling Protocol
    * What is meaning of (Full form of)  PS — PostScript
    * What is meaning of (Full form of)  PS/2 — Personal System/2
    * What is meaning of (Full form of)  PSU — Power Supply Unit
    * What is meaning of (Full form of)  PSVI — Post-Schema-Validation Infoset
    * What is meaning of (Full form of)  PV — Physical Volume
    * What is meaning of (Full form of)  PVG — Physical Volume Group
    * What is meaning of (Full form of)  PVR — Personal Video Recorder
    * What is meaning of (Full form of)  PXE — Preboot Execution Environment
    * What is meaning of (Full form of)  PXI — PCI Extensions for Instrumentation

Q
    * What is meaning of (Full form of)  QDR — Quad Data Rate
    * What is meaning of (Full form of)  QA — Quality Assurance
    * What is meaning of (Full form of)  QFP — Quoted For Permanence.
    * What is meaning of (Full form of)  QoS — Quality of Service
    * What is meaning of (Full form of)  QOTD — Quote of the Day
    * What is meaning of (Full form of)  Qt — Quasar Toolkit
    * What is meaning of (Full form of)  QTAM — Queued Telecomunications Acess Method (an IBM OS/360 API)

R
    * What is meaning of (Full form of)  RACF — Resource Access Control Facility
    * What is meaning of (Full form of)  RAD — Rapid Application Development
    * What is meaning of (Full form of)  RADIUS — Remote Authentication Dial In User Service
    * What is meaning of (Full form of)  RAID — Redundant Array of Independent Disks
    * What is meaning of (Full form of)  RAID — Redundant Array of Inexpensive Disks
    * What is meaning of (Full form of)  RAR — Type of archive file run on WinRAR
    * What is meaning of (Full form of)  RDM — Relations Database Management
    * What is meaning of (Full form of)  RDS — Relations Database System
    * What is meaning of (Full form of)  RAIT — Redundant Array of Inexpensive Tapes
    * What is meaning of (Full form of)  RAM — Random Access Memory
    * What is meaning of (Full form of)  RARP — Reverse Address Resolution Protocol
    * What is meaning of (Full form of)  RC — Release Candidate
    * What is meaning of (Full form of)  RC — DVD Region Code
    * What is meaning of (Full form of)  RC — Run Commands
    * What is meaning of (Full form of)  RC — Runtime Configuration
    * What is meaning of (Full form of)  RCS — Revision Control System
    * What is meaning of (Full form of)  RDBMS — Relational Database Management System
    * What is meaning of (Full form of)  RDF — Resource Description Framework
    * What is meaning of (Full form of)  REFAL — REcursive Functions Algorithmic Language
    * What is meaning of (Full form of)  REST — Representational State Transfer
    * What is meaning of (Full form of)  regex — Regular Expression
    * What is meaning of (Full form of)  regexp — Regular Expression
    * What is meaning of (Full form of)  RF — Radio Frequency
    * What is meaning of (Full form of)  RFC — Request For Comments
    * What is meaning of (Full form of)  RFI — Radio Frequency Interference
    * What is meaning of (Full form of)  RFID — Radio Frequency Identification
    * What is meaning of (Full form of)  RGB — Red, Green, Blue
    * What is meaning of (Full form of)  RGBA — Red, Green, Blue, Alpha
    * What is meaning of (Full form of)  RHL — Red Hat Linux
    * What is meaning of (Full form of)  RHEL — Red Hat Enterprise Linux
    * What is meaning of (Full form of)  RIA — Rich Internet Application
    * What is meaning of (Full form of)  RIAA — Recording Industry Association of America
    * What is meaning of (Full form of)  RIP — Raster Image Processor
    * What is meaning of (Full form of)  RIP — Routing Information Protocol
    * What is meaning of (Full form of)  RISC — Reduced Instruction Set Computer
    * What is meaning of (Full form of)  RLE — Run-Length Encoding
    * What is meaning of (Full form of)  RLL — Run Length Limited
    * What is meaning of (Full form of)  RMI — Remote Method Invocation
    * What is meaning of (Full form of)  RMS — Richard Matthew Stallman
    * What is meaning of (Full form of)  ROM — Read Only Memory
    * What is meaning of (Full form of)  ROMB — Read-Out Motherboard
    * What is meaning of (Full form of)  RPC — Remote Procedure Call
    * What is meaning of (Full form of)  RPG — Report Program Generator
    * What is meaning of (Full form of)  RPM — RPM Package Manager
    * What is meaning of (Full form of)  RSA — Rivest Shamir Adleman
    * What is meaning of (Full form of)  RSI — Repetitive Strain Injury
    * What is meaning of (Full form of)  RSS — Rich Site Summary, RDF Site Summary, or Really Simple Syndication
    * What is meaning of (Full form of)  RTC — Real-Time Clock
    * What is meaning of (Full form of)  RTE — Real-Time Enterprise
    * What is meaning of (Full form of)  RTL — Right-to-Left
    * What is meaning of (Full form of)  RTOS — Real Time Operating System
    * What is meaning of (Full form of)  RTS — Ready To Send

S
    * What is meaning of (Full form of)  SaaS — Software as a Service
    * What is meaning of (Full form of)  SAN — Storage Area Network
    * What is meaning of (Full form of)  SAR — Search And Replace[1]
    * What is meaning of (Full form of)  SATA — Serial ATA
    * What is meaning of (Full form of)  SAS — Statistical Analysis System
    * What is meaning of (Full form of)  SAX — Simple API for XML
    * What is meaning of (Full form of)  SBOD — Spinning Beachball of Death
    * What is meaning of (Full form of)  SBP-2 — Serial Bus Protocol 2
    * What is meaning of (Full form of)  sbin — superuser binary
    * What is meaning of (Full form of)  SBU — Standard Build Unit
    * What is meaning of (Full form of)  SCADA — Supervisory Control And Data Acquisition
    * What is meaning of (Full form of)  SCID — Source Code in Database
    * What is meaning of (Full form of)  SCM — Software Configuration Management
    * What is meaning of (Full form of)  SCP — Secure Copy
    * What is meaning of (Full form of)  SCPI — Standard Commands for Programmable Instrumentation
    * What is meaning of (Full form of)  SCSI — Small Computer System Interface
    * What is meaning of (Full form of)  SD — Secure Digital
    * What is meaning of (Full form of)  SDDL — Security Descriptor Definition Language
    * What is meaning of (Full form of)  SDI — Single Document Interface
    * What is meaning of (Full form of)  SDIO — Secure Digital Input Output
    * What is meaning of (Full form of)  SDK — Software Development Kit
    * What is meaning of (Full form of)  SDL — Simple DirectMedia Layer
    * What is meaning of (Full form of)  SDN — Service Delivery Network
    * What is meaning of (Full form of)  SDR — Software-Defined Radio
    * What is meaning of (Full form of)  SDRAM — Synchronous Dynamic Random Access Memory
    * What is meaning of (Full form of)  SDSL — Symmetric DSL
    * What is meaning of (Full form of)  SE — Single Ended
    * What is meaning of (Full form of)  SEAL — Semantics-directed Environment Adaptation Language
    * What is meaning of (Full form of)  SEI — Software Engineering Institute
    * What is meaning of (Full form of)  SFTP — Secure FTP
    * What is meaning of (Full form of)  SFTP — Simple File Transfer Protocol
    * What is meaning of (Full form of)  SFTP — SSH File Transfer Protocol
    * What is meaning of (Full form of)  SGI — Silicon Graphics, Incorporated
    * What is meaning of (Full form of)  SGML — Standard Generalized Markup Language
    * What is meaning of (Full form of)  SHA — Secure Hash Algorithm
    * What is meaning of (Full form of)  SIGCAT — Special Interest Group on CD-ROM Applications and Technology
    * What is meaning of (Full form of)  SIGGRAPH — Special Interest Group on Graphics
    * What is meaning of (Full form of)  SIMD — Single Instruction, Multiple Data
    * What is meaning of (Full form of)  SIMM — Single Inline Memory Module
    * What is meaning of (Full form of)  SIP — Session Initiation Protocol
    * What is meaning of (Full form of)  SIP — Supplementary Ideographic Plane
    * What is meaning of (Full form of)  SISD — Single Instruction, Single Data
    * What is meaning of (Full form of)  SLED — SUSE Linux Enterprise Desktop
    * What is meaning of (Full form of)  SLES — SUSE Linux Enterprise Server
    * What is meaning of (Full form of)  SLI — Scalable Link Interface
    * What is meaning of (Full form of)  SLIP — Serial Line Internet Protocol
    * What is meaning of (Full form of)  SLM — Service Level Management
    * What is meaning of (Full form of)  SLOC — Source Lines of Code
    * What is meaning of (Full form of)  SPMD — Single Program, Multiple Data
    * What is meaning of (Full form of)  SMA — SubMiniature version A
    * What is meaning of (Full form of)  SMB — Server Message Block
    * What is meaning of (Full form of)  SMBIOS — System Management BIOS
    * What is meaning of (Full form of)  SMC — SMC Networks (company)
    * What is meaning of (Full form of)  SMIL — Synchronized Multimedia Integration Language
    * What is meaning of (Full form of)  S/MIME — Secure/Multipurpose Internet Mail Extensions
    * What is meaning of (Full form of)  SMP — Supplementary Multilingual Plane
    * What is meaning of (Full form of)  SMP — Symmetric Multi-Processing
    * What is meaning of (Full form of)  SMS — Short Message Service
    * What is meaning of (Full form of)  SMS — System Management Server
    * What is meaning of (Full form of)  SMT — Simultaneous Multithreading
    * What is meaning of (Full form of)  SMTP — Simple Mail Transfer Protocol
    * What is meaning of (Full form of)  SNA — Systems Network Architecture
    * What is meaning of (Full form of)  SNMP — Simple Network Management Protocol
    * What is meaning of (Full form of)  SOA — Service-Oriented Architecture
    * What is meaning of (Full form of)  SOAP — Simple Object Access Protocol
    * What is meaning of (Full form of)  SoC — System-on-a-Chip
    * What is meaning of (Full form of)  SO-DIMM — Small Outline DIMM
    * What is meaning of (Full form of)  SOHO — Small Office/Home Office
    * What is meaning of (Full form of)  SOI — Silicon On Insulator
    * What is meaning of (Full form of)  SP — Service Pack
    * What is meaning of (Full form of)  SPA — Single Page Application
    * What is meaning of (Full form of)  SPF — Sender Policy Framework
    * What is meaning of (Full form of)  SPI — Serial Peripheral Interface
    * What is meaning of (Full form of)  SPI — Stateful Packet Inspection
    * What is meaning of (Full form of)  SPARC — Scalable Processor Architecture
    * What is meaning of (Full form of)  SQL — Structured Query Language
    * What is meaning of (Full form of)  SRAM — Static Random Access Memory
    * What is meaning of (Full form of)  SSD — Software Specification Document
    * What is meaning of (Full form of)  SSD - Solid-State Drive
    * What is meaning of (Full form of)  SSE — Streaming SIMD Extensions
    * What is meaning of (Full form of)  SSH — Secure Shell
    * What is meaning of (Full form of)  SSI — Server Side Includes
    * What is meaning of (Full form of)  SSI — Single-System Image
    * What is meaning of (Full form of)  SSI — Small-Scale Integration
    * What is meaning of (Full form of)  SSID — Service Set Identifier
    * What is meaning of (Full form of)  SSL — Secure Socket Layer
    * What is meaning of (Full form of)  SSP — Supplementary Special-purpose Plane
    * What is meaning of (Full form of)  SSSE — Supplementary Streaming SIMD Extensions
    * What is meaning of (Full form of)  su — superuser
    * What is meaning of (Full form of)  SUS — Single UNIX Specification
    * What is meaning of (Full form of)  SVC — Scalable Video Coding
    * What is meaning of (Full form of)  SVG — Scalable Vector Graphics
    * What is meaning of (Full form of)  SVGA — Super Video Graphics Array
    * What is meaning of (Full form of)  SVD — Structured VLSI Design
    * What is meaning of (Full form of)  SWT — Stardard Widget Toolkit
    * What is meaning of (Full form of)  Sysop — System operator

T
    * What is meaning of (Full form of)  TAO — Track-At-Once
    * What is meaning of (Full form of)  TB — Terabyte
    * What is meaning of (Full form of)  Tcl — Tool Command Language
    * What is meaning of (Full form of)  TCP — Transmission Control Protocol
    * What is meaning of (Full form of)  TCP/IP — Transmission Control Protocol/Internet Protocol
    * What is meaning of (Full form of)  TCU — Telecommunication Control Unit
    * What is meaning of (Full form of)  TDMA — Time Division Multiple Access
    * What is meaning of (Full form of)  temp — temporary (variable, file, directory, etc.)
    * What is meaning of (Full form of)  TFT — Thin Film Transistor
    * What is meaning of (Full form of)  TI — Texas Instruments
    * What is meaning of (Full form of)  TLA — Three-Letter Acronym
    * What is meaning of (Full form of)  TLD — Top-Level Domain
    * What is meaning of (Full form of)  TLS — Thread-Local Storage
    * What is meaning of (Full form of)  TLS — Transport Layer Security
    * What is meaning of (Full form of)  tmp — temporary (variable, file, directory, etc.)
    * What is meaning of (Full form of)  TNC — Terminal Node Controller
    * What is meaning of (Full form of)  TNC — Threaded Neill-Concelman connector
    * What is meaning of (Full form of)  TSO — Time Sharing Option
    * What is meaning of (Full form of)  TSP — Traveling Salesman Problem
    * What is meaning of (Full form of)  TSR — Terminate and Stay Resident
    * What is meaning of (Full form of)  TTA — True Tap Audio
    * What is meaning of (Full form of)  TTF — TrueType Font
    * What is meaning of (Full form of)  TTL — Transistor-Transistor Logic
    * What is meaning of (Full form of)  TTL — Time To Live
    * What is meaning of (Full form of)  TTS — Text-to-Speech
    * What is meaning of (Full form of)  TTY — Teletype
    * What is meaning of (Full form of)  TUCOWS — The Ultimate Collection of Winsock Software
    * What is meaning of (Full form of)  TUG — TeX Users Group

U
    * What is meaning of (Full form of)  UAAG — User Agent Accessibility Guidelines
    * What is meaning of (Full form of)  UAC — User Account Control
    * What is meaning of (Full form of)  UART — Universal Asynchronous Receiver Transmitter
    * What is meaning of (Full form of)  UAT — User Acceptance Testing
    * What is meaning of (Full form of)  UCS — Universal Character Set
    * What is meaning of (Full form of)  UDDI — Universal Description, Discovery, and Integration
    * What is meaning of (Full form of)  UDMA — Ultra DMA
    * What is meaning of (Full form of)  UDP — User Datagram Protocol
    * What is meaning of (Full form of)  UE — User Experience
    * What is meaning of (Full form of)  UEFI — Unified Extensible Firmware Interface
    * What is meaning of (Full form of)  UHF — Ultra High Frequency
    * What is meaning of (Full form of)  UI — User Interface
    * What is meaning of (Full form of)  UL — Upload
    * What is meaning of (Full form of)  ULA — Uncommitted Logic Array
    * What is meaning of (Full form of)  UMA — Upper Memory Area
    * What is meaning of (Full form of)  UMB — Upper Memory Block
    * What is meaning of (Full form of)  UML — Unified Modeling Language
    * What is meaning of (Full form of)  UML — User-Mode Linux
    * What is meaning of (Full form of)  UMPC — Ultra-Mobile Personal Computer
    * What is meaning of (Full form of)  UNC — Universal Naming Convention
    * What is meaning of (Full form of)  UPS — Uninterruptible Power Supply
    * What is meaning of (Full form of)  URI — Uniform Resource Identifier
    * What is meaning of (Full form of)  URL — Uniform Resource Locator
    * What is meaning of (Full form of)  URN — Uniform Resource Name
    * What is meaning of (Full form of)  USB — Universal Serial Bus
    * What is meaning of (Full form of)  usr — user
    * What is meaning of (Full form of)  USR — U.S. Robotics
    * What is meaning of (Full form of)  UTC — Coordinated Universal Time
    * What is meaning of (Full form of)  UTF — Unicode Transformation Format
    * What is meaning of (Full form of)  UUCP — Unix to Unix Copy
    * What is meaning of (Full form of)  UUID — Universally Unique Identifier
    * What is meaning of (Full form of)  UVC — Universal Virtual Computer

V
    * What is meaning of (Full form of)  var — variable
    * What is meaning of (Full form of)  VAX — Virtual Address eXtension
    * What is meaning of (Full form of)  VCPI — Virtual Control Program Interface
    * What is meaning of (Full form of)  VR — Virtual Reality
    * What is meaning of (Full form of)  VRML — Virtual Reality Modeling Language
    * What is meaning of (Full form of)  VB — Visual Basic
    * What is meaning of (Full form of)  VBA — Visual Basic for Applications
    * What is meaning of (Full form of)  VBS — Visual Basic Script
    * What is meaning of (Full form of)  VESA — Video Electronics Standards Association
    * What is meaning of (Full form of)  VFAT — Virtual FAT
    * What is meaning of (Full form of)  VFS — Virtual File System
    * What is meaning of (Full form of)  VG — Volume Group
    * What is meaning of (Full form of)  VGA — Video Graphics Array
    * What is meaning of (Full form of)  VGCT - Video Graphics Character Table
    * What is meaning of (Full form of)  VHF — Very High Frequency
    * What is meaning of (Full form of)  VLAN — Virtual Local Area Network
    * What is meaning of (Full form of)  VLSM — Variable Length Subnet Mask
    * What is meaning of (Full form of)  VLB — Vesa Local Bus
    * What is meaning of (Full form of)  VLF — Very Low Frequency
    * What is meaning of (Full form of)  VLIW - Very Long Instruction Word
    * What is meaning of (Full form of)  VLSI — Very-Large-Scale Integration
    * What is meaning of (Full form of)  VM — Virtual Machine
    * What is meaning of (Full form of)  VM — Virtual Memory
    * What is meaning of (Full form of)  VOD — Video On Demand
    * What is meaning of (Full form of)  VoIP — Voice over IP
    * What is meaning of (Full form of)  VPN — Virtual Private Network
    * What is meaning of (Full form of)  VPU — Visual Processing Unit
    * What is meaning of (Full form of)  VSAM — Virtual Storage Access Method
    * What is meaning of (Full form of)  VSAT — Very Small Aperture Terminal
    * What is meaning of (Full form of)  VT — Video Terminal?
    * What is meaning of (Full form of)  VTAM — Virtual Telecommunications Access Method

W
    * What is meaning of (Full form of)  W3C — World Wide Web Consortium
    * What is meaning of (Full form of)  WAFS — Wide Area File Services
    * What is meaning of (Full form of)  WAI — Web Accessibility Initiative
    * What is meaning of (Full form of)  WAIS — Wide Area Information Server
    * What is meaning of (Full form of)  WAN — Wide Area Network
    * What is meaning of (Full form of)  WAP — Wireless Access Point
    * What is meaning of (Full form of)  WAP — Wireless Application Protocol
    * What is meaning of (Full form of)  WAV — WAVEform audio format
    * What is meaning of (Full form of)  WBEM — Web-Based Enterprise Management
    * What is meaning of (Full form of)  WCAG — Web Content Accessibility Guidelines
    * What is meaning of (Full form of)  WCF — Windows Communication Foundation
    * What is meaning of (Full form of)  WDM — Wavelength Division Multiplexing
    * What is meaning of (Full form of)  WebDAV — WWW Distributed Authoring and Versioning
    * What is meaning of (Full form of)  WEP — Wired Equivalent Privacy
    * What is meaning of (Full form of)  Wi-Fi — Wireless Fidelity
    * What is meaning of (Full form of)  WiMAX — Worldwide Interoperability for Microwave Access
    * What is meaning of (Full form of)  WinFS — Windows Future Storage
    * What is meaning of (Full form of)  WINS- Windows Internet Naming Service
    * What is meaning of (Full form of)  WLAN — Wireless Local Area Network
    * What is meaning of (Full form of)  WMA — Windows Media Audio
    * What is meaning of (Full form of)  WMV — Windows Media Video
    * What is meaning of (Full form of)  WOL — Wake-on-LAN
    * What is meaning of (Full form of)  WOM — Wake-on-Modem
    * What is meaning of (Full form of)  WOR — Wake-on-Ring
    * What is meaning of (Full form of)  WPA — Wi-Fi Protected Access
    * What is meaning of (Full form of)  WPAN — Wireless Personal Area Network
    * What is meaning of (Full form of)  WPF — Windows Presentation Foundation
    * What is meaning of (Full form of)  WSDL — Web Services Description Language
    * What is meaning of (Full form of)  WSFL — Web Services Flow Language
    * What is meaning of (Full form of)  WUSB — Wireless Universal Serial Bus
    * What is meaning of (Full form of)  WWAN — Wireless Wide Area Network
    * What is meaning of (Full form of)  WWID — World Wide Identifier
    * What is meaning of (Full form of)  WWN — World Wide Name
    * What is meaning of (Full form of)  WWW — World Wide Web
    * What is meaning of (Full form of)  WYSIWYG — What You See Is What You Get
    * What is meaning of (Full form of)  WZC — Wireless Zero Configuration

X
    * What is meaning of (Full form of)  XAG — XML Accessibility Guidelines
    * What is meaning of (Full form of)  XAML — eXtensible Application Markup Language
    * What is meaning of (Full form of)  XDM — X Window Display Manager
    * What is meaning of (Full form of)  XDMCP — X Display Manager Control Protocol
    * What is meaning of (Full form of)  XCBL — XML Common Business Library
    * What is meaning of (Full form of)  XHTML — eXtensible Hypertext Markup Language
    * What is meaning of (Full form of)  XILP — XILP Internet Links People
    * What is meaning of (Full form of)  XML — eXtensible Markup Language
    * What is meaning of (Full form of)  XMMS — X Multimedia System
    * What is meaning of (Full form of)  XMPP — eXtensible Messaging and Presence Protocol
    * What is meaning of (Full form of)  XMS — Extended Memory Specification
    * What is meaning of (Full form of)  XNS — Xerox Network Services
    * What is meaning of (Full form of)  XP — Cross-Platform
    * What is meaning of (Full form of)  XP — Extreme Programming
    * What is meaning of (Full form of)  XPCOM — Cross Platform Component Object Model
    * What is meaning of (Full form of)  XPI — Cross Platform Installer
    * What is meaning of (Full form of)  XPIDL — Cross Platform IDL
    * What is meaning of (Full form of)  XSD — XML Schema Definition
    * What is meaning of (Full form of)  XSL — eXtensible Stylesheet Language
    * What is meaning of (Full form of)  XSL-FO — eXtensible Stylesheet Language Formatting Objects
    * What is meaning of (Full form of)  XSLT — XSL Transformations
    * What is meaning of (Full form of)  XSS — Cross-Site Scripting
    * What is meaning of (Full form of)  XTF — Extensible Tag Framework
    * What is meaning of (Full form of)  XUL — XML-based User-interface Language

Y
    * What is meaning of (Full form of)  Y2K — Year Two Thousand
    * What is meaning of (Full form of)  YACC — Yet Another Compiler Compiler
    * What is meaning of (Full form of)  YAML — YAML Ain't Markup Language
    * What is meaning of (Full form of)  YAST — Yet Another Setup Tool

Z
    * What is meaning of (Full form of)  ZCAV — Zone Constant Angular Velocity
    * What is meaning of (Full form of)  ZCS — Zero Code Suppression
    * What is meaning of (Full form of)  ZIF — Zero Insertion Force
    * What is meaning of (Full form of)  ZIFS — Zero Insertion Force Socket
    * What is meaning of (Full form of)  ZISC — Zero Instruction Set Computer
    * What is meaning of (Full form of)  ZOPE — Z Object Publishing Environment
    * What is meaning of (Full form of)  ZMA — Zone Multicast Address