Updated: 28th December 2011
Computer and technology related Abbreviations & Acronyms.
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N - O - P - Q - R - S - T - U - V - W - X - Y - Z
ACPI - Advanced Configuration Power Interface.
ACS - Asynchronous Communications Server.
ADO - ActiveX Data Object.
ADSL - Asymmetric Digital Subscriber Line.
AJAX - Asynchronous JavaScript and XML.
AORTA - Always-On Real-Time Access.
API - Application Programming Interface.
ASCII - American Standard Code for Information Interchange.
ASF - Advanced Streaming Format.
ASP - Active Server Pages
ASX - ASF Streaming Redirector.
AVI - Audio Video Interleave.
B - Byte, 8 bits.
BBS - Bulletin Board System.
BIOS - Basic Input/Output System.
BMP - Bitmap.
BPS - Bits Per Second.
BLOG - WeBLOG.
C - An advanced programming language.
CGI - Common Gateway Interface.
CHAP - Challenge Handshake Authentication Protocol.
CISC - Complex Instruction Set Computing.
CLI - Command Line Interface.
CLR - Common Language Runtime.
CMS - Content Management System, Call Management System.
CMYK - Cyan-Magenta-Yellow-Black.
CPU - Central Processing Unit.
CRT - Cathode-Ray Tube.
CSO - Chief Security Officer.
CSS - Cascading Style Sheets, Content Scrambling System (DVD).
CTRL - Control.
CUPS - Common UNIX Printing System.
DAB - Digital Audio Broadcast.
DAP - Digital Audio Processor.
DB2 - IBM database system.
DBA - Data Base Administrator.
DDWG - Digital Display Working Group.
DES - Data Encryption Standard.
DESE - Data Encryption Standard Encryption.
DHCP - Dynamic Host Configuration Protocol.
DHTML - Dynamic HTML.
DIMM - Dual In-Line Memory Modules.
DMA - Direct Memory Access.
DMB - Digital Multimedia Broadcasting.
DNS - Domain Name Server.
DOM - Document Object Model.
DOS - Disc Operating System.
DPI - Dots Per Inch.
DRAM - Dynamic Random Access Memory.
DRM - Digital Rights Management.
DSL - Digital Subscriber Line.
DSLAM - Digital Subscriber Line Access Multiplexer.
DTD - Document Type Definition.
DVD - Originally meant 'Digital Video Disc'. Now commonly known as 'Digital Versatile Disc'.
DVI - Digital Visual Interface.
DVR - Digital Video Recorder.
EAP - Extensible Authentication Protocol.
EAL - Evaluation Assurance Level.
EB - ExaByte - 1024 petabytes.
ECC - Error-Correcting Code memory.
EDO - Extended Data Out RAM.
EIDE - Enhanced IDE.
EISA - Extended Industry Standard Architecture.
EPROM - Erasable Programmable Read-Only Memory.
EPS - Encapsulated PostScript.
ESCD - Extended System Configuration Data.
GB - GigaByte, 1024 megabytes.
GFDL - GNU Free Documentation License.
GID - Group Identifier.
GIF - Graphics Interchange Format.
GNU - GNU's Not UNIX.
GPF - General Protection Fault.
GPL - GNU General Public License.
GRUB - GRand Unified Boot loader.
GUI - Graphical User Interface.
HD - High Density.
HDCP - High-Bandwidth Digital Copy Protection.
HDMI - High-Definition Multi-media Interface.
HDTV - High-Definition Television.
HTML - Hypertext Markup Language.
HTTP - Hypertext Transfer Protocol.
IAB - Internet Architecture Board.
IBM - International Business Machines.
ICANN - Internet Corporation for Assigned Names and Numbers.
IDE - Intergrated Drive Electronics.
IE - Internet Explorer.
IETF - Internet Engineering Task Force.
IIS - Internet Information Server.
IMAP - Internet Message Access Protocol.
IP - Internet Protocol.
IPCP - Internet Protocol Control Protocol.
IPP - Internet Printing Protocol.
IRC - Internet Relay Chat.
IRDA - Infra-Red Data Association.
ISA - Industry Standard Architecture.
ISAPI - Internet Server API.
ISDN - Intergrated Services Digital Network.
ISO - International Standards Organization.
ISP - Internet Service Provider.
ISSN - International Standard Serial Number.
J2EE - Java 2 Platform Enterprise Edition.
JPEG - Joint Photographics Expert Group.
JSP - Java Server Pages.
K - kilobyte, 1024 bytes.
KB - KiloByte, 1024 bytes.
KDE - K Desktop Environment.
L2TP - Layer Two Tunnelling Protocol
LAMP - Linux/Apache/MySQL/PHP
LAN - Local Area Network.
LCD - Liquid Crystal Display.
LILO - LInux LOader.
LLU - Local Loop Unbundling.
LOL - Laugh Out Loud.
LONGDESC - Long Description.
LPD - Line Printer Daemon.
LSB - Linux Standard Base.
MAC - Mackintosh.
Mbit - Megabit.
MB - MegaByte, 1024 kilobytes.
MIDI - Musical Instrument Digital Interface.
MIME - Multipurpose Internet Mail Extensions.
MMS - Multimedia Messaging Service.
MMX - Multimedia Extensions.
MOV - Quicktime file format.
MP3 - MPEG-1 Audio Layer-3, audio compression format.
MPG - File extension for MPEG files.
MPEG - Moving Picture Expert Group.
MPPC - Microsoft Point-to-Point Compression.
MPPE - Microsoft Point to Point Encryption.
MS-DOS - Microsoft Disk Operating System.
MT - Moveable Type.
MTu - Maximum Transmission Unit.
MySQL - Open source database software.
N-ISDN - National Integrated Services Digital Network, Narrowband Integrated Services Digital Network.
NAC - Network Adapter Card, Network Administration Center.
NAS - Network Attached Storage.
NASDAQ - National Association of Securities Dealers Automatic Quotation.
NAT - Network Address Translation.
NetBEUI - NETwork Bios Extended User Interface.
NetBIOS - NETwork Basic Input Output System.
NTFS - NT File System.
NTSC - National Television System Committee, National Television Standards Committee.
OCPM - Output Content Protection Management.
OEM - Original Equipment Manufacturer.
OOP - Object Oriented Programming.
OPML - Outline Processor Markup Language.
OS - Operating System.
P2P - Peer To Peer.
PAC - Privilege Attribute Certificate.
PAL - Programmable Array Logic, Phase Alternating Line, Paradox Application Language.
PAP - Password Authentication Protocol.
PCB - Printed Circuit Board.
PB - PetaByte, 1024 terabytes.
PCI - Peripheral Component Interconnect.
PCM - Pulse Code Modulation.
PCMCIA - Personal Computer Memory Card International Association.
PDA - Personal Digital Assistant.
PDF - Portable Document Format.
PGDN - Page Down.
PGUP - Page Up.
PHP - PHP: Hypertext Preprocessor (recursive acronym).
PID - Process Identifier.
PNG - Portable Network Graphics.
PoE - Power-over-Ethernet.
PON - Passive Optical Networking.
POP - Post Office Protocol.
POP3 - Post Office Protocol Version 3.
PPP - Point to Point Protocol.
PPPoE - Point to Point Protocol over Ethernet.
PPTP - Point-to-Point Tunnelling Protocol.
PSTN - Public Switched Telephone Network.
QAM - Quadrature Amplitude Modulation.
QAS - Quick Arbitration and Selection, Quasi-Associated Signaling.
QBE - Query By Example.
QBF - Query By Form.
QBIC - Query By Image Content.
QoS - Quality Of Service.
RAID - Redundant Array Independant Discs.
RAM - Random Access Memory.
RAS - Remote Access Service(s).
RDF - Resource Description Framework.
RFID - Radio Frequency Identification.
RGB - Red-Green-Blue.
RISC - Reduced Instruction Set Computing.
RNAAPP - Remote Network Access Application.
ROM - Read-Only Memory.
RSS - Real Simple Syndication, Rich Site Summary.
RTF - Rich Text Format.
RTV - Return To Vendor.
SCSI - Small Computer System Interface.
SDRAM - Synchronous DRAM.
SEMPO - Search Engine Marketing Professional Organization.
SEO - Search Engine Optimisation.
SGML - Standard Generalized Markup Language.
SMB - Server Message Block.
SIMM - Single Inline Memory Module.
SIP - Session Intiation Protocol.
SLI - Scan Line Interleave, Scalable Link Interface.
SLIP - Serial Line IP.
SMIL - Synchronized Multimedia Integration Language.
SMS - Short Message Service.
SMTP - Simple Mail Transfer Protocol.
SOAP - Simple Object Access Protocol.
SODIMM - Small Outline Dual In-line Memory Modules.
SPE - Synergistic Processing Element.
SPU - Synergistic Processing Unit.
SQL - Structured Query Language.
SRAM - Static RAM.
SSI - Server Side Include.
SSL - Secure Socket Layer.
SUDO - SuperUser Do.
SVG - Scalable Vector Graphics.
SVGA - Super VGA.
SXGA - Super Extended Graphics Array.
T - Tera.
T9 - Typing on 9 keys.
T-CCS - Transparent Common Channel Signaling.
T-SQL - Transact Structured Query Language.
TA - Terminal Adapter, Technical Assembly.
TB - TeraByte, 1024 gigabytes.
TCP - Transmission Control Protocol.
TDD - Telecommunications Device for the Deaf.
TLS - Transport Layer Security.
TWAIN - Technology Without An Interesting Name.
UART - Universal Asynchronous Receiver Transmitter.
UDDI - Universal Description Discovery and Integration.
UDP - User Datagram Protocol.
UID - User Identifier.
URI - Uniform Resource Identifier.
URL - Uniform Resource Locator.
URN - Uniform Resource Name.
URI - Uniform Resource Identifier.
USB - Universal Serial Bus.
UXGA - Ultra Extended Graphics Array.
VB - Visual Basic.
VCF - vCard File.
VESA - Video Electronic Standard Association.
VGA - Video Graphics Array.
VL-Bus - Video Electronic Standard Association Local Bus.
VNC - Virtual Network Computing.
VoIP - Voice over Internet Protocol.
VPI - Virtual Path Identifier.
VPN - Virtual Private Networking.
VRAM - Video RAM.
VRML - Virtual Reality Modeling Language.
W3C - World Wide Web Consortium.
WAN - Wide Area Network.
WAP - Wireless Application Protocol.
WCAG - Web Content Accessibility Guidelines.
WiFi - Wireless Fidelity.
Win - Windows.
WSDL - Web Services Description Language.
WWW - World Wide Web.
WYSIWYG - What You See Is What You Get.
XGA - Extended Graphics Array.
XHTML - Extensible Hypertext Markup Language.
XML - eXtensible Markup Language.
XPS - XML Paper Specification.
XSD - XML Schema Definition.
XSL - Extensible Stylesheet Language.
XSL-FO - XSL Formatting Objects.
XSLT - XSL Transformations.
Y2K - The year 2000.
YB - YottaByte, 1024 zetabytes.
YAHOO - Yet Another Hierarchically Officious Oracle.
YAST - Yet Another Setup Tool.
ZCAV - Zone Constant Angular Velocity.
ZB - ZetaByte, 1024 exabytes.
ZIF - Zero Insertion Force.
ZIP - File compression format.
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