List of computing and IT abbreviations
There are many abbreviations associated with the computer industry – PC, IT, CPU etc. Add them to this listing, sorted alphabetically by abbreviation. Internet slang gives rise to a number of abbreviations not listed here, as do many common file extensions and file formats.
See also
External links
- Glossary of Computer Terms and Acronyms
- Acronym Finder— searchable database of acronyms and abbreviations (over 400,000 entries with over 60,000 IT entries)
- TUCAA— The Ultimate Computer Acronyms Archive (over 10,000 entries)
- The Free On-line Dictionary of Computing
- The UNIX Acronym List
- Virtual Entity of Relevant Acronyms
| Contents |
|---|
0–9
- /. – Slashdot
- 10B2 – 10 Base2
- 10B5 – 10 Base5
- 10B-F – 10 Base-F
- 10B-FB – 10 Base-FB
- 10B-FL – 10 Base-FL
- 10B-FP – 10 Base-FP
- 10B-T – 10 Base-T
- 10B-FX5 – 10 Base-FX
- 100B-T – 100 Base-T
- 100B-TX – 100 Base-TX
- 100BVG – 100 BaseVG
- 286 – 80286
- 2B1Q – 2 Binary 1 Quaternary
- 386 – 80386
- 486 – 80486
- 4B5BLF – 4 Byte 5 Byte Local Fiber
- 802 – 802.x (where x is a number from 1 to 22)
- 8B10BLF – 8 Byte 10 Byte Local Fiber
A
- AA – Anti-Aliasing
- AAA – Authentication Authorization, Accounting
- AABB – Axis Aligned Bounding Box
- AAC – Advanced Audio Coding (audio compression format defined by the MPEG-2 standard)
- AAL – ATM Adaptation Layer
- AALC – ATM Adaptation Layer Connection
- AARP – AppleTalk Address Resolution Protocol
- ABI – Application Binary Interface
- ABM – Asynchronous Balanced Mode
- ABR – Area Border Router
- ABR – Auto Baud – Rate Detect
- ABR – Available Bit Rate
- AC – Alternating Current
- AC – Acoustic Coupler
- ACID – Atomiticy Consistency Isolation Durability
- ACL – Access Control List
- ACL – Active Current Loop
- ACM – Association for Computing Machinery
- ACPI – Advanced Configuration and Power Interface
- ACD – Automatic Call Distributor
- ACF – Advanced Communications Function
- ACF NCP – Advanced Communications Function – Network Control Program
- ACK – ACKnowledgement
- ACR – Allowed Cell Rate
- ACR – Attenuation to Crosstalk Ratio
- AD – Active Directory
- AD – Administrative Domain
- ADC – Apple Display Connector (DVI variant)
- ADB – Apple Desktop Bus
- ADCCP – Advanced Data Communications Control Protocol/Procedures
- ADO – ActiveX Data Object
- ADSL – Asymmetric Digital Subscriber Line (variant of DSL)
- AE – Adaptive Equalizer
- AES – Advanced Encryption Standard
- AGP – Accelerated Graphics Port (sometimes used with a suffix indicating the port's bandwidth, like AGP4x)
- AH – Active Hub
- AI – Artificial Intelligence
- AIM – AOL Instant Messenger
- AIX – Advanced Interactive Executive
- AJAX – Asynchronous JavaScript and XML
- AL – Active Link
- AL – Access List
- ALSA – Advanced Linux Sound Architecture
- ALU – Arithmetic and Logical Unit
- AM – Active Matrix
- AM – Access Method
- AM – Active Monitor
- AMD – Advanced Micro Devices
- AMI – American Megatrends Inc. (BIOS manufacturer)
- AMR – Audio Modem Riser
- ANSI – American National Standards Institute
- ANT – Another Neat Tool
- AOL – America Online
- AOP – Aspect-Oriented Programming
- APCI – Application-Layer Protocol Control Information
- API – Application Programming Interface
- APIC – Advanced Programmable Interrupt Controller
- APL – A Programming Language
- APS – Accunet Packet Service
- APR – Apache Portable Runtime
- ARM – Advanced RISC Machines
- ARP – Address Resolution Protocol
- ARPA – Address and Routing Parameter Area
- ARPA – Advanced Research Projects Agency (see also DARPA)
- ARPANET – Advanced Research Projects Agency Network
- AS – Access Server
- ASCII – American Standard Code for Information Interchange
- ASG – Abstract Semantic Graph
- ASIC – Application Specific Integrated Circuit
- ASN.1 – Abstract Syntax Notation 1
- ASP – Application Service Provider
- ASP (MS ASP) – Active Server Pages
- AST – Abstract Syntax Tree
- AT – Advanced Technology
- AT – Access Time
- AT – Active Terminator
- ATA – Advanced Technology Attachment
- ATAPI – Advanced Technology Attachment Packet Interface
- ATG – Advanced Technology Group
- ATI – Array Technology Industry
- AT&T – American Telephone & Telegraph
- AVI – Audio Video Interleaved
- AWT – Abstract Windowing Toolkit
B
- B2B – Business-to-Business
- Bash – Bourne-again shell
- BASIC – Beginner's All-Purpose Symbolic Instruction Code (acronym was added later)
- BBS – Bulletin Board System
- BCD – Binary Coded Decimal
- BER – Bit Error Rate
- BFD – Binary File Descriptor
- BFS – Breadth-First Search
- BiDi – Bi-Directional
- BINAC – Binary Automatic Computer
- BIND – Berkeley Internet Name Daemon
- BIOS – Basic Input Output System
- BJT – Bipolar Junction Transistor
- Blog – Web Log
- BNC – Bayonet Neill-Concelman
- BOFH – Bastard Operator From Hell
- BOOTP – Bootstrap Protocol
- bps – bits per second
- BSA – Business Software Alliance
- BSD – Berkeley Software Distribution (Unix variant)
- BSOD – Blue Screen of Death (MS Windows specific)
- BSS – Block Started by Symbol
- BT – BitTorrent
- BW – Bandwidth
C
- CA – Certificate Authority
- CAD – Computer-Aided Design
- CAE – Computer-Aided Engineering
- CAID – Computer Aided Industrial Design
- CAM – Computer-Aided Manufacturing
- CAQ – Computer Aided Quality
- CASE – Computer-Aided Software Engineering
- CD – Compact Disc
- CDE – Common Desktop Environment
- CDMA – Code Division Multiple Access
- CD-R – CD-Recordable
- CD-ROM – CD Read-Only Memory
- CD-RW – CD-Rewritable
- CERT – Computer Emergency Response Team
- CF – Compact Flash
- CFD – Computational Fluid Dynamics
- CFG – Context-Free Grammar
- CFG – Control Flow Graph
- CG – Computer Graphics
- CGA – Color Graphics Array
- CGI – Common Gateway Interface
- CGI – Computer-Generated Imagery
- CGT – Computational Graph Theory
- CIFS – Common Internet Filesystem
- CIM – Common Information Model
- CISC – Complex Instruction Set Computer
- CJK – Chinese, Japanese, and Korean
- CJKV – Chinese, Japanese, Korean, and Vietnamese
- CLI – Command Line Interface
- CLR – Common Language Runtime
- CM – Configuration Management
- CM – Content Management
- CMOS – Complementary Metal-Oxide Semiconductor
- CMS – Content Management System
- CN – Canonical Name
- Common Name?
- CNC – Computer Numerical Control
- CNR – Communication and Networking Riser
- COBOL – Common Business-Oriented Language
- COM – Component Object Model
- CORBA – Common Object Request Broker Architecture
- CPAN – Comprehensive Perl Archive Network
- cps – characters per second
- CPU – Central Processing Unit
- CR – Carriage Return
- CRAN – Comprehensive R Archive Network
- CRC – Cyclic Redundancy Check
- CRLF – Carriage Return Line Feed
- CRM – Customer Relationship Management
- CRT – Cathode Ray Tube
- CS – Cable Select
- CS – Computer Science
- CSE – Computer Science and Engineering
- CSRF – Cross-Site Request Forgery
- CSS – Cascading Style Sheets
- CSS – Content-Scrambling System
- CSS – Closed Source Software
- CSS – Cross Site Scripting
- CSV – Comma-Separated Values
- CT – Computerized Tomography
- CTAN – Comprehensive TeX Archive Network
- CTCP – Client-To-Client Protocol
- CTS – Clear To Send
- CTSS – Compatible Time-Sharing System
- CVS – Concurrent Versioning System
D
- DARPA – Defense Advanced Research Projects Agency
- DAO – Data Access Objects
- DAO – Disk-At-Once
- DAP – Directory Access Protocol
- DAT – Digital Audio Tape
- DB – Database
- DBA – Database Administrator
- DBCS – Double Byte Character Set
- DBMS – Database Management System
- DCC – Direct Client-to-Client
- DCL – Data Control Language
- DCMI – Dublin Core Metadata Initiative
- DCOM – Distributed Component Object Model
- DD – Double Density
- DDE – Dynamic Data Exchange
- DDL – Data Definition Language
- DDoS – Distributed Denial of Service
- DDR – Double Data Rate
- DEC – Digital Equipment Corporation
- DES – Data Encryption Standard
- DFD – Data Flow Diagram
- DFS – Depth-First Search
- DHCP – Dynamic Host Configuration Protocol
- DHTML – Dynamic HTML
- DIMM – Dual Inline Memory Module
- DIP – Dual In-line Package
- DIVX – Digital Video Express
- DL – Download
- DLL – Dynamic Link Library
- DLP – Digital Light Processing
- DMA – Direct Memory Access
- DMCA – Digital Millennium Copyright Act
- DML – Data Manipulation Language
- DN – Distinguished Name
- DND – Drag-and-Drop
- DNS – Domain Name System
- DOM – Document Object Model
- DoS – Denial of Service
- DOS – Disk Operating System
- DP – Dot Pitch
- DPI – Dots Per Inch
- DPMI – DOS Protected Mode Interface
- DPMS – Display Power Management Signaling
- DRAM – Dynamic Random Access Memory
- DRI – Direct Rendering Infrastructure
- DRM – Digital Rights Management
- DRM – Direct Rendering Manager
- DSDL – Document Schema Definition Languages
- DSDM – Dynamic Systems Development Method
- DSN – Database Source Name (ODBC)
- DSN – Dataset Name? (OS/390)
- DTD – Document Type Definition
- DTP – Desktop Publishing
- DTR – Data Terminal Ready?
- DVD – Digital Video Disc
- DVR – Digital Video Recorder (see also PVR)
E
- EAP – Extensible Authentication Protocol
- EBCDIC – Extended Binary Coded Decimal Interchange Code
- EBML – Extensible Binary Meta Language
- ECC – Elliptic Curve Cryptography
- ECMA – European Computer Manufacturers Association
- EDI – Electronic Data Interchange
- EDO – Extended Data Out
- EDSAC – Electronic Delay Storage Automatic Computer
- EDVAC – Electronic Discrete Variable Automatic Computer
- EEPROM – Electronically-Eraseable Programmable Read-Only Memory
- EFF – Electronic Frontier Foundation
- EFI – Extensible Firmware Interface
- EGA – Enhanced Graphics Array
- eID – electronic ID
- EIDE – Enhanced IDE
- EISA – Extended Industry Standard Architecture
- ELF – Extremely Low Frequency
- ELF – Executable and Linkable Format
- ELM – Electronic Mail
- EMACS – Editor Macros
- ENIAC – Electronic Numerical Integrator And Computer
- EOF – End of File
- EOL – End of Life
- EOL – End of Line
- EOM – End of Message
- EPROM – Eraseable Programmable Read-Only Memory
- ERP – Enterprise Resource Planning
- ESD – Electrostatic Discharge
- ESR – Eric Steven Raymond
- EULA – End User License Agreement
F
- FAP – FORTRAN Assembly Program
- FAT – File Allocation Table
- FAQ – Frequently Asked Questions
- FCB – File Control Block
- FDD – Floppy Disk Drive
- FDDI – Fiber Distributed Data Interface
- FDMA – Frequency-Division Multiple Access
- FEC – Forward Error Correction
- FET – Field Effect Transistor
- FIFO – First In First Out
- FHS – Filesystem Hierarchy Standard
- FLAC – Free Lossless Audio Codec
- FLOPS – FLoating-Point Operations Per Second
- FLOSS – Free/Libre Open Source Software
- FOLDOC – Free On-line Dictionary of Computing
- FOSS – Free/Open Source Software
- FPGA – Field Programmable Gate Array
- FPU – Floating Point Unit
- FS – File System
- FSB – Front Side Bus
- FSF – Free Software Foundation
- FSM – Finite State Machine
- FTTP – Fiber To The Premises
- FTP – File Transfer Protocol
- FQDN – Fully Qualified Domain Name
- FUD – Fear Uncertainty Doubt
G
- G11N – Globalization
- Gb – Gigabit
- GB – Gigabyte
- GCC – GNU Compiler Collection (formerly GNU C Compiler)
- GDB – GNU Debugger
- GDI – Graphics Device Interface
- GFDL – GNU Free Documentation License
- GIF – Graphics Interchange Format
- GIGO – Garbage In Garbage Out
- GIMP – GNU Image Manipulation Program
- GIMPS – Great Internet Mersenne Prime Search
- GIS – Geographic Information System
- GLUT – OpenGL Utility Toolkit
- GNOME – GNU Object Model Environment
- GNU – GNU's Not Unix
- GPG – GNU Privacy Guard
- GPIB – General-Purpose Instrumentation Bus
- GPL – General Public License
- GRUB – Grand Unified Boot-Loader
- GTK – GIMP Toolkit
- GUI – Graphical User Interface
- GUID – Globally Unique IDentifier
H
- HAL – Hardware Abstraction Layer
- HCI – Human Computer Interaction
- HD – High Density
- HDD – Hard Disk Drive
- HD-DVD – High Definition DVD
- HDL – Hardware Description Language
- HF – High Frequency
- HIG – Human Interface Guidelines
- HIRD – Hurd of Interfaces Representing Depth
- HP – Hewlett-Packard
- HPFS – High Performance File System
- HT – Hyper Threading
- HTML – Hypertext Markup Language
- HTTP – Hypertext Transport Protocol
- HTTPd – Hypertext Transport Protocol Daemon
- HURD – Hird of Unix-Replacing Daemons
- Hz – Hertz
I
- I18N – Internationalization
- IANA – Internet Assigned Numbers Authority
- iBCS – Intel Binary Compatibility Standard
- IBM – International Business Machines
- IC – Integrated Circuit
- ICANN – Internet Corporation for Assigned Names and Numbers
- ICE – In-Circuit Emulator
- ICE – Intrusion Countermeasure Electronics
- ICMP – Internet Control Message Protocol
- IDE – Integrated Development Environment
- IDE – Integrated Drive Electronics
- IDL – Interface Definition Language
- IE – Internet Explorer
- IEC – International Electrotechnical Commission
- IEEE – Institute of Electrical and Electronics Engineers
- IETF – Internet Engineering Task Force
- IGMP – Internet Group Management Protocol
- IIOP – Internet Inter-Orb Protocol
- IM – Instant Messaging
- IMAP – Internet Message Access Protocol
- I/O – Input/Output
- IP – Intellectual Property
- IP – Internet Protocol
- IPC – Inter-Process Communication
- IPsec – Intenet Protocol security
- IPX – Internetwork Packet Exchange
- IRC – Internet Relay Chat
- IrDA – Infrared Data Association
- IRQ – Interrupt Request
- IS – Information Systems
- ISA – Industry Standard Architechture
- ISDN – Integrated Services Digital Network
- ISO – International Organization for Standardization
- ISP – Internet Service Provider
- ISPF – Interactive System Productivity Facility
- ISV – Independent Software Vendor
- IT – Information Technology
- ITU – International Telecommunication Union
J
- JAXP – Java API for XML Processing
- JCL – Job Control Language
- JDBC – Java Database Connectivity
- JDK – Java Development Kit
- JDS – Java Desktop System
- JFC – Java Foundation Classes
- JFET – Junction Field-Effect Transistor
- JFS – Journaling Filesystem
- JINI – Jini Is Not Initials
- JIT – Just-In-Time
- JNI – Java Native Interface
- JPEG – Joint Photographic Experts Group
- JRE – Java Runtime Environment
- JS – JavaScript
- JSON – JavaScript Object Notation
- JSP – Jackson Structured Programming
- JSP – JavaServer Pages
- JVM – Java Virtual Machine
- jwz – Jamie Zawinski
K
- KB – Keyboard
- Kb – Kilobit
- KB – Kilobyte
- KB – Knowledge Base
- KDE – K Desktop Environment
- kHz – KiloHertz
- KISS – Keep It Simple, Stupid
- KVM – Keyboard, Video, Mouse
L
- L10N – Localization
- LAMP – Linux Apache MySQL (Perl, PHP, or Python)
- LAN – Local Area Network
- LBA – Logical Block Addressing
- LCD – Liquid Crystal Display
- LCOS – Liquid Crystal On Silicon
- LDAP – Lightweight Directory Access Protocol
- LED – Light-Emitting Diode
- LF – Line Feed
- LF – Low Frequency
- LFS – Linux From Scratch
- LIF – Low Insertion Force
- LIFO – Last In First Out
- LILO – Linux Loader
- LKML – Linux Kernel Mailing List
- LGPL – [GNU] Lesser General Public License
- LOC – Lines of Code
- LPI – Linux Professional Institute
- LSB – Least Significant Bit
- LSB – Linux Standard Base
- LSI – Large-Scale Integration
- LTR – Left-to-Right
- LUG – Linux User Group
- LUN – Logical Unit Number
- LZW (algorithm) – Lempel-Ziv-Welch
M
- MAC – Media Access Control
- MAN – Metropolitan Area Network
- MANET – Mobile Ad-Hoc Network
- MAPI – Messaging Application Programming Interface
- Mb – Megabit
- MB – Megabyte
- MBCS – Multi Byte Character Set
- MBR – Master Boot Record
- MCA – Micro Channel Architecture
- MCSE – Microsoft Certified System Engineer
- MDA – Monochrome Display Adapter
- ME – [Windows] Millennium Edition
- MF – Medium Frequency
- MFC – Microsoft Foundation Classes
- MHz – Megahertz
- MIPS – Million Instructions Per Second
- MIPS – Microprocessor without Interlocked Pipeline Stages
- MIS – Management Information Systems
- MIT – Massachusetts Institute of Technology
- MIME – Multipurpose Internet Mail Extensions
- MMORPG – Massively Multiplayer Online Role-Playing Game
- MMU – Memory Management Unit
- MMX – Multi-Media Extensions
- MNG – Multiple-image Network Graphics
- MoBo – Motherboard
- MOO – MUD Object Oriented
- MOSFET – Metal-Oxide Semiconductor FET
- MOTD – Message Of The Day
- MPAA – Motion Picture Association of America
- MPEG – Motion Pictures (Coding) Experts Group
- MPL – Mozilla Public License
- MS – Microsoft
- MSB – Most Significant Bit
- MS-DOS – Microsoft DOS
- MTU – Maximum Transmission Unit
- MSDN – Microsoft Developer Network
- MSI – Medium-Scale Integration
- MUD – Multi-User Dungeon
- MVC – Model-View-Controller
- MVS – Multiple Virtual Storage
N
- NACK – Negative ACKnowedgement
- NAK – Negative AcKnowedgement Character
- NAT – Network Address Translation
- NCSA – National Center for Supercomputing Applications
- NDS – Novell Directory Services
- NEXT – Near-End CrossTalk
- NFS – Network Filesystem
- NI – National Instruments
- NIC – Network Interface Card
- NIST – National Institute of Standards and Technology
- NLP – Natural Language Processing
- NP – Non-Deterministic Polynomial-Time
- NPL – Netscape Public License
- NPU – Numeric Processing Unit?
- NS – Netscape
- NSA – National Security Agency
- NSPR – Netscape Portable Runtime
- NMI – Non-Maskable Interrupt
- NNTP – Network News Transfer Protocol
- NOC – Network Operations Center
- NOP – No OPeration
- NT (Windows) – New Technology
- NT – New Trails Technology
- NTFS – NT Filesystem
- NTLM – NT Lan Manager
- NTP – Network Time Protocol
- NURBS – Nonuniform rational B-spline
- NVRAM – Non-Volatile Random Access Memory
O
- OASIS – Organization for the Advancement of Structured Information Standards
- ODBC – Open Database Connectivity
- OEM – Original Equipment Manufacturer
- OFTC – Open and Free Technology Community
- OLAP – Online Analytical Processing
- OLE – Object Linking and Embedding
- OLED – Organic Light Emitting Diode
- OLTP – Online Transaction Processing
- OMG – Object Management Group
- OO – Object-Oriented
- OO – Open Office
- OOo – OpenOffice.org
- OOP – Object-Oriented Programming
- ORB – Object Request Broker
- OS – Open Source
- OS – Operating System
- OSDN – Open Source Developer Network
- OSI – Open Source Initiative
- OSI – Open Systems Interconnect
- OSPF – Open Shortest Path First
- OSS – Open Sound System
- OSS – Open Source Software
- OSS – Operation Support Systems
- OSTG – Open Source Technology Group (formerly OSDN)
P
- P2P – Peer-To-Peer
- PAN – Personal Area Network
- PARC – Palo Alto Research Center
- PATA – Parallel ATA
- PCB – Printed Circuit Board
- PC – Personal Computer
- PCI – Peripheral Component Interconnect
- PCMCIA – Personal Computer Memory Card International Association
- PCM – Pulse-Code Modulation
- PD – Public Domain
- PDA – Personal Digital Assistant
- PDF – Portable Document Format
- PDP – Programmed Data Processor
- PERL – Practical Extraction and Reporting Language
- PGA – Pin Grid Array
- PGA – Programmable Gate Arrays
- PGP – Pretty Good Privacy
- PHP – PHP: Hypertext Preprocessor
- PIC – Peripheral Interface Controller
- PID – Proportional-Integral-Derivative
- PID – Process ID
- PINE – Program for Internet News & Email (unofficially PINE Is Not Elm)
- PIO – Programmed Input/Output
- PKCS – Public Key Cryptography Standards
- PKI – Public Key Infrastructure
- PLC – Programmable Logic Controller
- PLD – Programmable Logic Device
- PL/I – Programming Language One
- PL/M – Programming Language Microcomputer
- PNG – Portable Network Graphics
- PnP – Plug-and-Play
- POP – Point of Presence
- POP3 – Post Office Protocol v3
- POSIX – Portable Operating System Interface
- POST – Power-On Self Test
- PPC – PowerPC
- PPI – Pixels Per Inch
- PPP – Point-to-Point Protocol
- PPPoE – PPP over Ethernet
- PS – PostScript
- PS/2 – Personal System/2
- PSVI – Post-Schema-Validation Infoset
- PVR – Personal Video Recorder
- PXE – Pre Execution Environment
- PXI
Q
R
- RAD – Rapid Application Development
- RADIUS – Remote Authentication Dial In User Service
- RAID – Redundant Array of Inexpensive Disks
- RAM – Random Access Memory
- RARP – Reverse Address Resolution Protocol
- RC – Release Candidate
- RCS – Revision Control System
- RDBMS – Relational Database Management System
- RDF – Resource Description Framework
- REFAL – REcursive Functions Algorithmic Language
- RF – Radio Frequency
- RFC – Request For Comments
- RFE – Request For Enhancement
- RFI – Radio Frequency Interference
- RFID – Radio Frequency Identification
- RGB – Red, Green, Blue
- RH – Red Hat (Linux)
- RHEL – Red Hat Enterprise Linux
- RIAA – Recording Industry Association of America
- RIP – Raster Image Processor
- RIP – Routing Information Protocol
- RISC – Reduced Instruction Set Computer
- RLE – Run-Length Encoding
- RMI – Remote Method Invocation
- RMS – Richard Matthew Stallman
- ROM – Read Only Memory
- RPC – Remote Procedure Call
- RPM – RedHat Package Manager
- RSA – Rivest Shamir Adleman
- RSS – Rich Site Summary, RDF Site Summary, or Really Simple Syndication
- RTL – Right-to-Left
- RTOS – Real Time Operating System
- RTS – Ready To Send
S
- SAN – Storage Area Network
- SATA – Serial ATA
- SAX – Simple API for XML
- SCADA – Supervisory Control And Data Aquisition
- SCP – Secure Copy
- SCSI – Small Computer System Interface
- SD – Secure Digital
- SDIO – Secure Digital ? ?
- SDK – Software Development Kit
- SDL – Simple DirectMedia Layer
- SDN – Service Delivery Network
- SDR – Software-Defined Radio
- SDRAM – Synchronous Dynamic Random Access Memory
- SDSL – Symmetric DSL
- SEAL – Semantics-directed Environment Adaptation Language
- SEI – Software Engineering Institute
- SFTP – Secure FTP
- SFTP – Simple File Transfer Protocol
- SFTP – SSH File Transfer Protocol
- SGI – Silicon Graphics, Incorporated
- SGML – Standard Generalized Markup Language
- SHA – Secure Hash Algorithm
- SIGGRAPH – Special Interest Group on Graphics,
- SIMD – Single Instruction, Multiple Data
- SIMM – Single Inline Memory Module
- SIP – Session Initiation Protocol
- SLI – Scalable Link Interface
- SLIP – Serial Line Internet Protocol
- SLM – Service Level Management
- SMB – Server Message Block
- SMC – SMC Networks (company)
- SMIL – Synchronized Multimedia Integration Language
- S/MIME – Secure/Multipurpose Internet Mail Extensions
- SMP – Symmetric Multi-Processing
- SMS – Short Message Service
- SMT – Simultaneous Multithreading
- SMTP – Simple Mail Transfer Protocol
- SNMP – Simple Network Management Protocol
- SOA – Service-Oriented Architecture
- SOAP – Simple Object Access Protocol
- SoC – System-on-a-Chip
- SO-DIMM – Small Outline DIMM
- SOI – Silicon On Insulator
- SP – Service Pack
- SPI – Stateful Packet Inspection
- SPARC – Scalable Processor Architecture
- SQL – Structured Query Language
- SRAM – Static Random Access Memory
- SSD – Software Specification Document
- SSH – Secure Shell
- SSI – Server Side Includes
- SSI – Single-System Image
- SSI – Small-Scale Integration
- SSL – Secure Socket Layer
- SUS – Single UNIX Specification
- SVG – Scalable Vector Graphics
- SVGA – Super Video Graphics Array
- SWT – Stardard Widget Toolkit
T
- TAO – Track-At-Once
- TB – Terabyte
- Tcl – Tool Command Language
- TCP – Transmission Control Protocol
- TCP/IP – Transmission Control Protocol/Internet Protocol
- TDMA – Time Division Multiple Access
- TFT – Thin Film Transistor
- TI – Texas Instruments
- Tk –
- TLA – Three-Letter Acronym
- TLD – Top-Level Domain
- TLS – Transport Layer Security
- TSO – Time Sharing Option
- TSP – Traveling Salesman Problem
- TTL – Transistor-Transistor Logic
- TTA – True Tap Audio
- TTL – Time To Live
- TTY – Teletype
- TUCOWS – The Ultimate Collection of Winsock Software
U
- UART – Universal Asynchronous Receiver Transmitter
- UDDI – Universal Description, Discovery, and Integration
- UDMA – Ultra DMA
- UDP – User Datagram Protocol
- UHF – Ultra High Frequency
- UI – User Interface
- UL – Upload
- UML – Unified Modeling Language
- UML – User Mode Linux
- UNC – Universal Naming Convention
- UPS – Uninterruptible Power Supply
- URI – Uniform Resource Identifier
- URL – Uniform Resource Locator
- URN – Uniform Resource Name
- USB – Universal Serial Bus
- UTC – Coordinated Universal Time
- UTF – Unicode Transformation Format
- UUCP – Unix to Unix Copy Protocol
- UVC – Universal Virtual Computer
V
- VAX – Virtual Address eXtension
- VR – Virtual Reality
- VRML – Virtual Reality Modeling Language
- VB – Visual Basic
- VBA – Visual Basic for Applications
- VBS – Visual Basic Script
- VESA – Video Electronics Standards Association
- VFAT – Virtual FAT
- VFS – Virtual File System
- VGA – Video Graphics Array
- VHF – Very High Frequency
- VLB – Vesa Local Bus
- VLF – Very Low Frequency
- VLSI – Very-Large-Scale Integration
- VM – Virutal Memory
- VM – Virtual Machine
- VOD – Video On Demand
- VoIP – Voice over IP
- VPN – Virtual Private Network
- VSAT – Very Small Aperture (Satellite) Terminal
- VT – Video Terminal?
- VTAM – Virtual Telecommunications Access Method
W
- W3C – World Wide Web Consortium
- WAFS – Wide Area File Services
- WAIS – Wide Area Information Server
- WAN – Wide Area Network
- WAP – Wireless Access Point
- WAP – Wireless Application Protocol
- WAV – WAVEform audio format
- WBEM – Web-Based Enterprise Management
- WDM – Wavelength Division Multiplexing
- WebDAV – WWW Distributed Authoring and Versioning
- WEP – Wired Equivalent Privacy
- Wi-Fi – Wireless Fidelity
- WiMAX – Worldwide Interoperability for Microwave Access
- WINS- Windows Internet Naming Service
- WMA – Windows Media Audio
- WOL – Wake on LAN
- WPA – Wi-Fi Protected Access
- WSDL – Web Services Description Language
- WWW – World Wide Web
- WYSIWYG – What You See Is What You Get
X
- XAML – eXtensible Application Markup Language
- XDM – X Window Display Manager
- XCBL – XML Common Business Library
- XHTML – eXtensible Hypertext Markup Language
- XML – eXtensible Markup Language
- XMMS – X Multimedia System
- XMPP – eXtensible Messaging and Presence Protocol
- XP – Cross Platform (not Windows XP)
- XP – Extreme Programming
- XPCOM – Cross Platform Component Object Model
- XPI – Cross Platform Installer
- XPIDL – Cross Platform IDL
- XSD – XML Schema Definition
- XSL-T – eXtensible Stylesheet Language Transformations
- XSS – Cross Site Scripting
- XT –
- XUL – XML-based User-interface Language
Y
- Y2K – Year Two Thousand
- YACC – Yet Another Compiler Compiler
- YAML – YAML Ain't Markup Language
- YAST – Yet Another Setup Tool
Z
- ZCS – Zero Code Suppression
- ZI – Zero Insertion
- ZIF – Zero Insertion Force
- ZIFS – Zero Insertion Force Socket
- ZOPE – Z Object Publishing Environment
- ZMA – Zone Multicast Address
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Categories: Incomplete lists | Computer terminology | Lists of abbreviations