Computing and IT abbreviations
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This is a list of computing and IT abbreviations.
0–9
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
- ACD — Automatic Call Distributor
- ACF — Advanced Communications Function
- ACF NCP — Advanced Communications Function — Network Control Program
- ACID — Atomicity Consistency Isolation Durability
- ACK — ACKnowledgement
- ACL — Access Control List
- ACL — Active Current Loop
- ACM — Association for Computing Machinery
- ACME — Automated Classification of Medical Entities
- ACPI — Advanced Configuration and Power Interface
- ACR — Allowed Cell Rate
- ACR — Attenuation to Crosstalk Ratio
- AD — Active Directory
- AD — Administrative Domain
- ADC — Analog-To-Digital Converter
- ADC — Apple Display Connector (DVI variant)
- ADB — Apple Desktop Bus
- ADCCP — Advanced Data Communications Control Protocol/Procedures
- ADO — ActiveX Data Objects
- ADSL — Asymmetric Digital Subscriber Line (variant of DSL)
- ADT — Abstract Data Type
- AE — Adaptive Equalizer
- AES — Advanced Encryption Standard
- AF — Anisotropic Filtering
- AFP — Apple Filing Protocol
- AGP — Accelerated Graphics Port (sometimes used with a suffix indicating the port's bandwidth, like AGP4x)
- AH — Active Hub
- AI — Artificial Intelligence
- AIX — Advanced Interactive Executive
- Ajax — Asynchronous JavaScript and XML
- AL — Active Link
- AL — Access List
- ALGOL — Algorithmic Language
- ALSA — Advanced Linux Sound Architecture
- ALU — Arithmetic and Logical Unit
- AM — Active Matrix
- AM — Access Method
- AM — Active Monitor
- AM — Amplitude Modulation
- AMD — Advanced Micro Devices
- AMR — Audio Modem Riser
- ANN — Artificial Neural Network
- ANSI — American National Standards Institute
- ANT — Another Neat Tool
- AoE — ATA over Ethernet
- AOP — Aspect-Oriented Programming
- APCI — Application-Layer Protocol Control Information
- API — Application Programming Interface
- APIC — Advanced Programmable Interrupt Controller
- APIPA — Automatic Private IP Addressing
- APL — A Programming Language
- APS — Accunet Packet Service
- APR — Apache Portable Runtime
- ARC – Advanced RISC Computing
- ARIN — American Registry for Internet Numbers
- 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
- ASLR - Address Space Layout Randomization
- ASMP — Asymmetric Multiprocessing
- ASN.1 — Abstract Syntax Notation 1
- ASP — Application Service Provider
- ASP (MS ASP) — Active Server Pages
- ASR — Asynchronous Signal Routine
- AST — Abstract Syntax Tree
- ASSP — Application Specific Standard Product
- AT — Advanced Technology
- AT — Access Time
- AT — Active Terminator
- ATA — Advanced Technology Attachment
- ATAG — Authoring Tool Accessibility Guidelines
- ATAPI — Advanced Technology Attachment Packet Interface
- ATM — Asynchronous Transfer Mode
- AVC — Advanced Video Coding
- AVI — Audio Video Interleaved
- AWT — Abstract Windowing Toolkit
B
- B2B — Business-to-Business
- B2C — Business-to-Consumer
- Bash — Bourne-again shell
- BASIC — Beginner's All-Purpose Symbolic Instruction Code
- BBP — Baseband Processor
- BBS — Bulletin Board System
- BCD — Binary Coded Decimal
- BEEP — Blocks Extensible Exchange Protocol
- BER — Bit Error Rate
- BFD — Binary File Descriptor
- BFS — Breadth-First Search
- BGP — Border Gateway Protocol
- BiDi — Bi-Directional
- bin — binary
- BINAC — Binary Automatic Computer
- BIND — Berkeley Internet Name Daemon
- BIOS — Basic Input Output System
- BJT — Bipolar Junction Transistor
- bit — binary digit
- Blob — Binary large object
- Blog — Web Log
- BMP — Basic Multilingual Plane
- BNC — Bayonet Neill-Concelman
- BOINC — Berkeley Open Infrastructure for Network Computing
- BOM — Byte Order Mark
- BOOTP — Bootstrap Protocol
- BPDU — Bridge Protocol Data Unit
- BPEL — Business Process Execution Language
- BPL — Broadband over Power Lines
- bps — bits per second
- BRR — Business Readiness Rating
- BSA — Business Software Alliance
- BSD — Berkeley Software Distribution (Unix variant)
- BSoD — Blue Screen of Death
- BSS — Block Started by Symbol
- BT — BitTorrent
- BT — Bluetooth
- BTAM — Basic Telecommunications Access Method (an IBM OS/360 API)
- BW — Bandwidth
C
- CA — Certificate Authority
- CAD — Computer-Aided Design
- CAE — Computer-Aided Engineering
- CAID — Computer Aided Industrial Design
- CAI — Computer-Aided Instruction
- CAM — Computer-Aided Manufacturing
- CAPTCHA — Completely Automated Public Turing Test to tell Computers and Humans Apart
- CAT - Computer-Aided Translation
- CAQ — Computer Aided Quality
- CASE — Computer-Aided Software Engineering
- cc — C Compiler
- CD — Compact Disc
- CDE — Common Desktop Environment
- CDMA — Code Division Multiple Access
- CDN - Content Delivery Network
- CDP — Continuous Data Protection
- CD-R — CD-Recordable
- CD-ROM — CD Read-Only Memory
- CD-RW — CD-Rewritable
- CDSA — Common Data Security Architecture
- CERT — Computer Emergency Response Team
- CFWS — Comment and/or Folding White Space
- CES — Consumer Electronics Show
- 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
- CHAP — Challenge-Handshake Authentication Protocol
- CHS — Cylinder-Head-Sector
- 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
- CN — Common Name
- CNC — Computer Numerical Control
- CNR — Communications and Networking Riser
- COBOL — Common Business-Oriented Language
- COM — Component Object Model
- CORBA — Common Object Request Broker Architecture
- COTS — Commercial Off-The-Shelf
- CMMI - Capability Maturity Model Integration
- CPA — Cell Processor Architecture
- CPA — Control Panel Applet
- CPA — Converged Packet Access
- CPAN — Comprehensive Perl Archive Network
- CP/M — Control Program/Monitor
- 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
- CSI — Common System Interface
- 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
- CTI — Computer Telephony Integration
- CTL — Computational Tree Logic
- CTM — Close To Metal
- CTS — Clear To Send
- CTSS — Compatible Time-Sharing System
- CUA — Common User Access
- CVS — Concurrent Versioning System
D
- DAC — Digital-To-Analog Converter
- DAC — Discretionary Access Control
- DAO — Data Access Objects
- DAO — Disk-At-Once
- DAP — Directory Access Protocol
- DARPA — Defense Advanced Research Projects Agency
- DAT — Digital Audio Tape
- DB — Database
- DBA — Database Administrator
- DBCS — Double Byte Character Set
- DBMS — Database Management System
- DCC — Direct Client-to-Client
- DCCA — Debian Common Core Alliance
- 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
- dev — development
- DFA — Deterministic Finite Automaton
- DFD — Data Flow Diagram
- DFS — Depth-First Search
- DFS — Distributed File System
- DHCP — Dynamic Host Configuration Protocol
- DHTML — Dynamic HTML
- DIMM — Dual Inline Memory Module
- DIN — Deutsches Institut für Normung
- DIP — Dual In-line Package
- DIVX — Digital Video Express
- DIY - Do It Yourself devices
- DKIM — Domain Keys Identified Mail
- DL — Download
- DLL — Dynamic Link Library
- DLP — Digital Light Processing
- DMA — Direct Memory Access
- DMCA — Digital Millennium Copyright Act
- DML — Data Manipulation Language
- DMR — Dennis M. Ritchie
- DN — Distinguished Name
- DND — Drag-and-Drop
- DNS — Domain Name System
- DOCSIS — Data Over Cable Service Interface Specification
- 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
- DSL — Digital Subscriber Line
- DSL — Domain-Specific Language
- DSLAM — Digital subscriber line access multiplexer
- DSN — Database Source Name (ODBC)
- DSN — Dataset Name? (OS/390)
- DSP — Digital Signal Processor
- DSSSL — Document Style Semantics and Specification Language
- DTD — Document Type Definition
- DTE — Data Terminal Equipment
- DTP — Desktop Publishing
- DTR — Data Terminal Ready
- DVD — Digital Versatile Disc
- DVD — Digital Video Disc
- DVD-R — DVD-Recordable
- DVD-ROM — DVD-Read Only Memory
- DVD-RW — DVD-Rewritable
- DVI — Digital Visual Interface
- DVR — Digital Video Recorder (see also PVR)
E
- EAI — Enterprise Application Integration
- 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
- EDA — Electronic Design Automation
- EDI — Electronic Data Interchange
- EDO — Extended Data Out
- EDSAC — Electronic Delay Storage Automatic Computer
- EDVAC — Electronic Discrete Variable Automatic Computer
- EEPROM — Electronically-Erasable Programmable Read-Only Memory
- EFF — Electronic Frontier Foundation
- EFI — Extensible Firmware Interface
- EFM — Eight-to-Fourteen Modulation
- EGA — Enhanced Graphics Array
- EGP — Exterior Gateway Protocol
- eID — electronic ID card
- EIDE — Enhanced IDE
- EIGRP — Enhanced Interior Gateway Routing Protocol
- EISA — Extended Industry Standard Architecture
- ELF — Extremely Low Frequency
- ELF — Executable and Linkable Format
- ELM — Electronic Mail
- EMACS — Editor Macros
- EMS — Expanded Memory Specification
- ENIAC — Electronic Numerical Integrator And Computer
- EOF — End of File
- EOL — End of Life
- EOL — End of Line
- EOM — End of Message
- EPROM — Erasable Programmable Read-Only Memory
- ERP — Enterprise Resource Planning
- ESCON — Enterprise Systems Connection
- ESD — Electrostatic Discharge
- ETL — Extract, Transform, Load
- ESR — Eric Steven Raymond
- EUC — Extended Unix Code
- EULA — End User License Agreement
- EXE — EXEcutable
F
- FAP — FORTRAN Assembly Program
- FAT — File Allocation Table
- FAQ — Frequently Asked Questions
- FBDIMM — Fully Buffered Dual Inline Memory Module
- FC-AL — Fiber Channel Arbitrated Loop
- FCB — File Control Block
- FDC — Floppy Disk Controller
- FDS — Fedora Directory Server
- FDD — Floppy Disk Drive
- FDDI — Fiber Distributed Data Interface
- FDMA — Frequency-Division Multiple Access
- FEC — Forward Error Correction
- FEMB — Front-End Motherboard
- FET — Field Effect Transistor
- FICON — Fiber Connectivity
- FIFO — First In First Out
- FHS — Filesystem Hierarchy Standard
- FLAC — Free Lossless Audio Codec
- FLOPS — FLoating-Point Operations Per Second
- FCS — Frame Check Sequence
- FLOSS — Free/Libre/Open Source Software
- FOLDOC — Free On-line Dictionary of Computing
- FOSDEM — Free and Open source Software Developers' European Meeting
- FOSI — Formatted Output Specification Instance
- FOSS — Free and 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
- FTTC — Fiber To The Curb
- FTTH — Fiber To The Home
- FTTP — Fiber To The Premises
- FTP — File Transfer Protocol
- FQDN — Fully Qualified Domain Name
- FUCT — Failed Under Continuous Test
- FUD — Fear Uncertainty Doubt
- FWS — Folding White Space
- FXP — File eXchange Protocol
G
- G11N — Globalization
- Gb — Gigabit
- GB — Gigabyte
- GCC — GNU Compiler Collection (formerly GNU C Compiler)
- GCJ — GNU Compiler for Java
- GCR — Group Code Recording
- 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
- GML — Geography Markup Language
- GNOME — GNU Network Object Model Environment
- GNU — GNU's Not Unix
- GOMS — Goals, Operators, Methods, and Selection rules
- GPG — GNU Privacy Guard
- GPGPU — General-Purpose Computing on Graphics Processing Units
- GPIB — General-Purpose Instrumentation Bus
- GPL — General Public License
- GPL — General-Purpose Language
- GPRS — General Packet Radio Service
- GPT — GUID Partition Table
- GPU — Graphics Processing Unit
- GRUB — Grand Unified Boot-Loader
- GSM — Global System for Mobile Communications
- GTK+ — GIMP Toolkit
- GUI — Graphical User Interface
- GUID — Globally Unique IDentifier
- GWT — Google Web Toolkit
H
- HAL — Hardware Abstraction Layer
- HBA — Host Bus Adapter
- HCI — Human Computer Interaction
- HD — High Density
- HDD — Hard Disk Drive
- HD DVD — High Definition DVD
- HDL — Hardware Description Language
- HF — High Frequency
- HHD — Hybrid Hard Drive
- HID — Human Interface Device
- HIG — Human Interface Guidelines
- HIRD — Hurd of Interfaces Representing Depth
- HMA — High Memory Area
- HP — Hewlett-Packard
- HPC — High-Performance Computing
- HPFS — High Performance File System
- HSM — Hierarchical Storage Management
- HT — Hyper Threading
- HTM — Hierarchical Temporal Memory
- HTML — Hypertext Markup Language
- HTTP — Hypertext Transfer Protocol
- HTTPd — Hypertext Transport Protocol Daemon
- HTX — HyperTransport eXpansion
- HURD — Hird of Unix-Replacing Daemons
- HVD — Holographic Versatile Disc
- Hz — Hertz
I
- I2C — Inter-Integrated Circuit
- 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
- ICP — Internet Cache Protocol
- ICT — Information and Communication Technology
- IDE — Integrated Development Environment
- IDE — Integrated Drive Electronics
- IDL — Interface Definition Language
- IDS — Intrusion Detection System
- IE — Internet Explorer
- IEC — International Electrotechnical Commission
- IEEE — Institute of Electrical and Electronics Engineers
- IETF — Internet Engineering Task Force
- IFL — Integrated Facility for Linux
- IGMP — Internet Group Management Protocol
- IGRP — Interior Gateway Routing Protocol
- IHV — Independent Hardware Vendor
- IIOP — Internet Inter-Orb Protocol
- IIS — Internet Information Services
- IM — Instant Messaging
- IMAP — Internet Message Access Protocol
- IME — Input Method Editor
- INFOSEC — Information Systems Security
- I/O — Input/Output
- IP — Intellectual Property
- IP — Internet Protocol
- IPC — Inter-Process Communication
- IPL — Initial Program Load
- IPP — Internet Printing Protocol
- IPS — Intrusion Prevention System
- IPsec — Internet Protocol security
- IPTV — Internet Protocol Television
- IPX — Internetwork Packet Exchange
- IRC — Internet Relay Chat
- IrDA — Infrared Data Association
- IRP — I/O Request Packet
- IRQ — Interrupt Request
- IS — Information Systems
- ISA — Industry Standard Architecture
- ISAM — Indexed Sequential Access Method
- ISC — Internet Storm Center
- ISDN — Integrated Services Digital Network
- ISO — International Organization for Standardization
- ISP — Internet Service Provider
- ISPF — Interactive System Productivity Facility
- ISR — Interrupt Service Routine
- ISV — Independent Software Vendor
- IT — Information Technology
- ITL — Interval Temporal Logic
- ITU — International Telecommunication Union
J
- J2CE — Java 2 Cryptographic Edition
- J2EE — Java 2 Enterprise Edition
- J2ME — Java 2 Micro Edition
- J2SE — Java 2 Standard Edition
- JAXB — Java Architecture for XML Binding
- JAX-RPC — Java XML for Remote Procedure Calls
- JAXP — Java API for XML Processing
- JBOD — Just a Bunch of Disks
- JCL — Job Control Language
- JCP — Java Community Process
- JDBC — Java Database Connectivity
- JDK — Java Development Kit
- JES — Job Entry Subsystem
- JDS — Java Desktop System
- JFC — Java Foundation Classes
- JFET — Junction Field-Effect Transistor
- JFS — IBM Journaling File System
- JINI — Jini Is Not Initials
- JIT — Just-In-Time
- JMX — Java Management Extensions
- JMS — Java Message Service
- JNDI — Java Naming and Directory Interface
- 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
- JTAG — Joint Test Action Group
- JUG — Java Users Group
- JVM — Java Virtual Machine
- jwz — Jamie Zawinski
K
- K&R — Kernighan and Ritchie
- 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
- LE — Logical Extents
- LED — Light-Emitting Diode
- LF — Line Feed
- LF — Low Frequency
- LFS — Linux From Scratch
- lib — library
- LIF — Low Insertion Force
- LIFO — Last In First Out
- LILO — Linux Loader
- LKML — Linux Kernel Mailing List
- LM — Lan Manager
- 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
- LTL — Linear Temporal Logic
- LTR — Left-to-Right
- LUG — Linux User Group
- LUN — Logical Unit Number
- LV — Logical Volume
- LVD — Low Voltage Differential
- LVM — Logical Volume Management
- LZW — Lempel-Ziv-Welch
M
- MAC — Mandatory Access Control
- 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
- MCSA — Microsoft Certified System Administrator
- MCSD — Microsoft Certified System Developer
- MCSE — Microsoft Certified System Engineer
- MDA — Mail Delivery Agent
- MDA — Model-Driven Architecture
- MDA — Monochrome Display Adapter
- MDI — Multiple Document Interface
- ME — [Windows] Millennium Edition
- MF — Medium Frequency
- MFC — Microsoft Foundation Classes
- MFM — Modified Frequency Modulation
- MGPT — Machine Generated Problem Tracking
- MHz — Megahertz
- MIB — Management Information Base
- MICR-Magnetic Ink Character Reader
- MIDI — Musical Instrument Digital Interface
- MIMD — Multiple Instruction, Multiple Data
- MIMO — Multiple-Input Multiple-Output
- MIPS — Million Instructions Per Second
- MIPS — Microprocessor without Interlocked Pipeline Stages
- MIS — Management Information Systems
- MISD — Multiple Instruction, Single Data
- MIT — Massachusetts Institute of Technology
- MIME — Multipurpose Internet Mail Extensions
- MMDS — Mortality Medical Data System
- MMI — Man Machine Interface.
- MMIO — Memory-Mapped I/O
- 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
- MPU — Microprocessor Unit
- MS — Memory Stick
- MS — Microsoft
- MSB — Most Significant Bit
- MS-DOS — Microsoft DOS
- MT — Machine Translation
- MTA — Mail Transfer Agent
- MTU — Maximum Transmission Unit
- MSA — Mail Submission Agent
- MSDN — Microsoft Developer Network
- MSI — Medium-Scale Integration
- MSI — Microsoft Installer
- MUA — Mail User Agent
- MUD — Multi-User Dungeon
- MVC — Model-View-Controller
- MVP — Most Valuable Professional
- MVS — Multiple Virtual Storage
- MX — Mail exchange
N
- NACK — Negative ACKnowledgement
- NAK — Negative AcKnowledge Character
- NAS — Network-Attached Storage
- NAT — Network Address Translation
- NCP — NetWare Core Protocol
- NCQ — Native Command Queuing
- NCSA — National Center for Supercomputing Applications
- NDPS — Novell Distributed Print Services
- NDS — Novell Directory Services
- NEP — Network Equipment Provider
- NEXT — Near-End CrossTalk
- NFA — Nondeterministic Finite Automaton
- GNSCB — Next-Generation Secure Computing Base
- NFS — Network File System
- NI — National Instruments
- NIC — Network Interface Card
- NIM — No Internal Message
- NIO — New I/O
- NIST — National Institute of Standards and Technology
- NLP — Natural Language Processing
- NLS — National Language Support
- NP — Non-Deterministic Polynomial-Time
- NPL — Netscape Public License
- NPU — Network 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
- NOS — Network Operating System
- NPTL — Native POSIX Thread Library
- NSS — Novell Storage Service
- NSS — Network Security Services
- NSS — Name Service Switch
- NT (Windows) — New Technology
- NTFS — NT Filesystem
- NTLM — NT Lan Manager
- NTP — Network Time Protocol
- NUMA — Non-Uniform Memory Access
- NURBS — Nonuniform Rational B-Spline
- NVRAM — Non-Volatile Random Access Memory
O
- OASIS — Organization for the Advancement of Structured Information Standards
- OAT — Operational Acceptance Testing
- ODBC — Open Database Connectivity
- OEM — Original Equipment Manufacturer
- OES — Open Enterprise Server
- OFTC — Open and Free Technology Community
- OLAP — Online Analytical Processing
- OLE — Object Linking and Embedding
- OLED — Organic Light Emitting Diode
- OLPC — One Laptop per Child
- OLTP — Online Transaction Processing
- OMG — Object Management Group
- OO — Object-Oriented
- OO — Open Office
- OOo — OpenOffice.org
- OOP — Object-Oriented Programming
- OPML — Outline Processor Markup Language
- ORB — Object Request Broker
- ORM — Oject-Relational Mapping
- OS — Open Source
- OS — Operating System
- OSCON — O'Reilly Open Source Convention
- OSDN — Open Source Developer Network
- OSI — Open Source Initiative
- OSI — Open Systems Interconnection
- OSPF — Open Shortest Path First
- OSS — Open Sound System
- OSS — Open-Source Software
- OSS — Operational Support Systems
- OSTG — Open Source Technology Group (formerly OSDN)
- OUI — Organizationally Unique Identifier
P
- P2P — Peer-To-Peer
- PAN — Personal Area Network
- PAP — Password Authentication Protocol
- PARC — Palo Alto Research Center
- PATA — Parallel ATA
- PC — Personal Computer
- PCB — Printed Circuit Board
- PCB — Process Control Block
- PCI — Peripheral Component Interconnect
- PCIe — PCI Express
- PCL — Printer Command Language
- PCMCIA — Personal Computer Memory Card International Association
- PCM — Pulse-Code Modulation
- PCRE — Perl Compatible Regular Expressions
- PD — Public Domain
- PDA — Personal Digital Assistant
- PDF — Portable Document Format
- PDP — Programmed Data Processor
- PE — Physical Extents
- PEBKAC — Problem Exists Between Keyboard And Chair
- PERL — Practical Extraction and Reporting Language
- PGA — Pin Grid Array
- PGP — Pretty Good Privacy
- PHP — PHP: Hypertext Preprocessor
- PIC — Peripheral Interface Controller
- PIC — Programmable Interrupt Controller
- PID — Proportional-Integral-Derivative
- PID — Process ID
- PIM — Personal Information Manager
- PINE — Program for Internet News & Email
- PIO — Programmed Input/Output
- PKCS — Public Key Cryptography Standards
- PKI — Public Key Infrastructure
- PLC — Power Line Communication
- PLC — Programmable Logic Controller
- PLD — Programmable Logic Device
- PL/I — Programming Language One
- PL/M — Programming Language for Microcomputers
- PL/P — Programming Language for Prime
- PLT — Power Line Telecoms
- PMM — Personal Memory Manager
- PMM — POST Memory Manager
- PNG — Portable Network Graphics
- PnP — Plug-and-Play
- PoE — Power over Ethernet
- 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
- PPPoA — PPP over ATM
- PPPoE — PPP over Ethernet
- PPTP — Point-to-Point Tunneling Protocol
- PS — PostScript
- PS/2 — Personal System/2
- PSU — Power Supply Unit
- PSVI — Post-Schema-Validation Infoset
- PV — Physical Volume
- PVG — Physical Volume Group
- PVR — Personal Video Recorder
- PXE — Preboot Execution Environment
- PXI — PCI Extensions for Instrumentation
Q
- QDR — Quad Data Rate
- QA — Quality Assurance
- QFP — Quoted For Permanence.
- QoS — Quality of Service
- QOTD — Quote of the Day
- Qt — Quasar Toolkit
- QTAM— Queued Telecomunications Acess Method (an IBM OS/360 API)
R
- RACF — Resource Access Control Facility
- RAD — Rapid Application Development
- RADIUS — Remote Authentication Dial In User Service
- RAID — Redundant Array of Independent Disks
- RAID — Redundant Array of Inexpensive Disks
- RAR — Type of archive file run on WinRAR
- RDM — Relations Database Management
- RDS — Relations Database System
- RAIT — Redundant Array of Inexpensive Tapes
- RAM — Random Access Memory
- RARP — Reverse Address Resolution Protocol
- RC — Release Candidate
- RC — DVD Region Code
- RC — Run Commands
- RC — Runtime Configuration
- RCS — Revision Control System
- RDBMS — Relational Database Management System
- RDF — Resource Description Framework
- REFAL — REcursive Functions Algorithmic Language
- REST — Representational State Transfer
- regex — Regular Expression
- regexp — Regular Expression
- RF — Radio Frequency
- RFC — Request For Comments
- RFI — Radio Frequency Interference
- RFID — Radio Frequency Identification
- RGB — Red, Green, Blue
- RGBA — Red, Green, Blue, Alpha
- RHL — Red Hat Linux
- RHEL — Red Hat Enterprise Linux
- RIA — Rich Internet Application
- RIAA — Recording Industry Association of America
- RIP — Raster Image Processor
- RIP — Routing Information Protocol
- RISC — Reduced Instruction Set Computer
- RLE — Run-Length Encoding
- RLL — Run Length Limited
- RMI — Remote Method Invocation
- RMS — Richard Matthew Stallman
- ROM — Read Only Memory
- ROMB — Read-Out Motherboard
- RPC — Remote Procedure Call
- RPG — Report Program Generator
- RPM — RPM Package Manager
- RSA — Rivest Shamir Adleman
- RSI — Repetitive Strain Injury
- RSS — Rich Site Summary, RDF Site Summary, or Really Simple Syndication
- RTC — Real-Time Clock
- RTE — Real-Time Enterprise
- RTL — Right-to-Left
- RTOS — Real Time Operating System
- RTS — Ready To Send
S
- SaaS — Software as a Service
- SAN — Storage Area Network
- SAR — Search And Replace[1]
- SATA — Serial ATA
- SAS — Statistical Analysis System
- SAX — Simple API for XML
- SBOD — Spinning Beachball of Death
- SBP-2 — Serial Bus Protocol 2
- sbin — superuser binary
- SBU — Standard Build Unit
- SCADA — Supervisory Control And Data Acquisition
- SCID — Source Code in Database
- SCM — Software Configuration Management
- SCP — Secure Copy
- SCPI — Standard Commands for Programmable Instrumentation
- SCSI — Small Computer System Interface
- SD — Secure Digital
- SDDL — Security Descriptor Definition Language
- SDI — Single Document Interface
- SDIO — Secure Digital Input Output
- 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
- SE — Single Ended
- 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
- SIGCAT — Special Interest Group on CD-ROM Applications and Technology
- SIGGRAPH — Special Interest Group on Graphics
- SIMD — Single Instruction, Multiple Data
- SIMM — Single Inline Memory Module
- SIP — Session Initiation Protocol
- SIP — Supplementary Ideographic Plane
- SISD — Single Instruction, Single Data
- SLED — SUSE Linux Enterprise Desktop
- SLES — SUSE Linux Enterprise Server
- SLI — Scalable Link Interface
- SLIP — Serial Line Internet Protocol
- SLM — Service Level Management
- SLOC — Source Lines of Code
- SPMD — Single Program, Multiple Data
- SMA — SubMiniature version A
- SMB — Server Message Block
- SMBIOS — System Management BIOS
- SMC — SMC Networks (company)
- SMIL — Synchronized Multimedia Integration Language
- S/MIME — Secure/Multipurpose Internet Mail Extensions
- SMP — Supplementary Multilingual Plane
- SMP — Symmetric Multi-Processing
- SMS — Short Message Service
- SMS — System Management Server
- SMT — Simultaneous Multithreading
- SMTP — Simple Mail Transfer Protocol
- SNA — Systems Network Architecture
- SNMP — Simple Network Management Protocol
- SOA — Service-Oriented Architecture
- SOE — Standard Operating Environment
- SOAP — Simple Object Access Protocol
- SoC — System-on-a-Chip
- SO-DIMM — Small Outline DIMM
- SOHO — Small Office/Home Office
- SOI — Silicon On Insulator
- SP — Service Pack
- SPA — Single Page Application
- SPF — Sender Policy Framework
- SPI — Serial Peripheral Interface
- SPI — Stateful Packet Inspection
- SPARC — Scalable Processor Architecture
- SQL — Structured Query Language
- SRAM — Static Random Access Memory
- SSD — Software Specification Document
- SSD - Solid-State Drive
- SSE — Streaming SIMD Extensions
- SSH — Secure Shell
- SSI — Server Side Includes
- SSI — Single-System Image
- SSI — Small-Scale Integration
- SSID — Service Set Identifier
- SSL — Secure Socket Layer
- SSP — Supplementary Special-purpose Plane
- SSSE — Supplementary Streaming SIMD Extensions
- su — superuser
- SUS — Single UNIX Specification
- SVC — Scalable Video Coding
- SVG — Scalable Vector Graphics
- SVGA — Super Video Graphics Array
- SVD — Structured VLSI Design
- SWT — Standard Widget Toolkit
- Sysop — System operator
T
- TAO — Track-At-Once
- TB — Terabyte
- Tcl — Tool Command Language
- TCP — Transmission Control Protocol
- TCP/IP — Transmission Control Protocol/Internet Protocol
- TCU — Telecommunication Control Unit
- TDMA — Time Division Multiple Access
- temp — temporary (variable, file, directory, etc.)
- TFT — Thin Film Transistor
- TI — Texas Instruments
- TLA — Three-Letter Acronym
- TLD — Top-Level Domain
- TLS — Thread-Local Storage
- TLS — Transport Layer Security
- tmp — temporary (variable, file, directory, etc.)
- TNC — Terminal Node Controller
- TNC — Threaded Neill-Concelman connector
- TSO — Time Sharing Option
- TSP — Traveling Salesman Problem
- TSR — Terminate and Stay Resident
- TTA — True Tap Audio
- TTF — TrueType Font
- TTL — Transistor-Transistor Logic
- TTL — Time To Live
- TTS — Text-to-Speech
- TTY — Teletype
- TUCOWS — The Ultimate Collection of Winsock Software
- TUG — TeX Users Group
U
- UAAG — User Agent Accessibility Guidelines
- UAC — User Account Control
- UART — Universal Asynchronous Receiver Transmitter
- UAT — User Acceptance Testing
- UCS — Universal Character Set
- UDDI — Universal Description, Discovery, and Integration
- UDMA — Ultra DMA
- UDP — User Datagram Protocol
- UE — User Experience
- UEFI — Unified Extensible Firmware Interface
- UHF — Ultra High Frequency
- UI — User Interface
- UL — Upload
- ULA — Uncommitted Logic Array
- UMA — Upper Memory Area
- UMB — Upper Memory Block
- UML — Unified Modeling Language
- UML — User-Mode Linux
- UMPC — Ultra-Mobile Personal Computer
- UNC — Universal Naming Convention
- UPS — Uninterruptible Power Supply
- URI — Uniform Resource Identifier
- URL — Uniform Resource Locator
- URN — Uniform Resource Name
- USB — Universal Serial Bus
- usr — user
- USR — U.S. Robotics
- UTC — Coordinated Universal Time
- UTF — Unicode Transformation Format
- UUCP — Unix to Unix Copy
- UUID — Universally Unique Identifier
- UVC — Universal Virtual Computer
- UTC
V
- var — variable
- VAX — Virtual Address eXtension
- VCPI — Virtual Control Program Interface
- 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
- VG — Volume Group
- VGA — Video Graphics Array
- VGCT - Video Graphics Character Table
- VHF — Very High Frequency
- VLAN — Virtual Local Area Network
- VLSM — Variable Length Subnet Mask
- VLB — Vesa Local Bus
- VLF — Very Low Frequency
- VLIW - Very Long Instruction Word— uinvac
- VLSI — Very-Large-Scale Integration
- VM — Virtual Machine
- VM — Virtual Memory
- VOD — Video On Demand
- VoIP — Voice over IP
- VPN — Virtual Private Network
- VPU — Visual Processing Unit
- VSAM — Virtual Storage Access Method
- VSAT — Very Small Aperture Terminal
- VT — Video Terminal?
- VTAM — Virtual Telecommunications Access Method
W
- W3C — World Wide Web Consortium
- WAFS — Wide Area File Services
- WAI — Web Accessibility Initiative
- 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
- WCAG — Web Content Accessibility Guidelines
- WCF — Windows Communication Foundation
- WDM — Wavelength Division Multiplexing
- WebDAV — WWW Distributed Authoring and Versioning
- WEP — Wired Equivalent Privacy
- Wi-Fi — Wireless Fidelity
- WiMAX — Worldwide Interoperability for Microwave Access
- WinFS — Windows Future Storage
- WINS- Windows Internet Naming Service
- WLAN — Wireless Local Area Network
- WMA — Windows Media Audio
- WMV — Windows Media Video
- WOL — Wake-on-LAN
- WOM — Wake-on-Modem
- WOR — Wake-on-Ring
- WPA — Wi-Fi Protected Access
- WPAN — Wireless Personal Area Network
- WPF — Windows Presentation Foundation
- WSDL — Web Services Description Language
- WSFL — Web Services Flow Language
- WUSB — Wireless Universal Serial Bus
- WWAN — Wireless Wide Area Network
- WWID — World Wide Identifier
- WWN — World Wide Name
- WWW — World Wide Web
- WYSIWYG — What You See Is What You Get
- WZC — Wireless Zero Configuration
- WFI — Wait For Interrupt
X
- XAG — XML Accessibility Guidelines
- XAML — eXtensible Application Markup Language
- XDM — X Window Display Manager
- XDMCP — X Display Manager Control Protocol
- XCBL — XML Common Business Library
- XHTML — eXtensible Hypertext Markup Language
- XILP — XILP Internet Links People
- XML — eXtensible Markup Language
- XMMS — X Multimedia System
- XMPP — eXtensible Messaging and Presence Protocol
- XMS — Extended Memory Specification
- XNS — Xerox Network Services
- XP — Cross-Platform
- XP — Extreme Programming
- XPCOM — Cross Platform Component Object Model
- XPI — Cross Platform Installer
- XPIDL — Cross Platform IDL
- XSD — XML Schema Definition
- XSL — eXtensible Stylesheet Language
- XSL-FO — eXtensible Stylesheet Language Formatting Objects
- XSLT — eXtensible Stylesheet Language Transformations
- XSS — Cross-Site Scripting
- XTF — Extensible Tag Framework
- XUL — XML 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
- ZCAV — Zone Constant Angular Velocity
- ZCS — Zero Code Suppression
- ZIF — Zero Insertion Force
- ZIFS — Zero Insertion Force Socket
- ZISC — Zero Instruction Set Computer
- ZOPE — Z Object Publishing Environment
- ZMA — Zone Multicast Address
See also
References
"Computing Acronyms and Abbreviations". All Acronyms. Retrieved on 2008-07-12.
External links
Published - September 2008
This
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