1400+ Computing & IT Acronyms and Abbreviation

There are a lot of acronyms and shortcuts used in the Computing and IT (Information Technology) field – a lot. And, Googling every time when you come across one of such isn’t the best thing that you can do.

I have decided to create an extensive list of almost all the acronyms and abbreviation related to Computing and Information Technology i.e. IT.

I have pasted down the whole list here. But, in case, you want a PDF of the list, scroll to the bottom.

So, here we go…

Computing & IT Acronyms and Abbreviation

Acronyms and Abbreviation related to Computing and IT (Information Technology)

Serial NumberAcronyms and Abbreviation
1AAA—Authentication Authorization, Accounting
2AABB—Axis Aligned Bounding Box
3AAC—Advanced Audio Coding
4AAL—ATM Adaptation Layer
5AALC—ATM Adaptation Layer Connection
6AARP—AppleTalk Address Resolution Protocol
7ABAC—Attribute-Based Access Control
8ABCL—Actor-Based Concurrent Language
9ABI—Application Binary Interface
10ABM—Asynchronous Balanced Mode
11ABR—Area Border Router
12ABR—Auto Baud-Rate detection
13ABR—Available Bitrate
14ABR—Average Bitrate
15AC—Acoustic Coupler
16AC—Alternating Current
17ACD—Automatic Call Distributor
18ACE—Advanced Computing Environment
19ACID—Atomicity Consistency Isolation Durability
21ACK—Amsterdam Compiler Kit
22ACL—Access Control List
23ACL—Active Current Loop
24ACM—Association for Computing Machinery
25ACME—Automated Classification of Medical Entities
26ACP—Airline Control Program
27ACPI—Advanced Configuration and Power Interface
28ACR—Allowed Cell Rate
29ACR—Attenuation to Crosstalk Ratio
30AD—Active Directory
31AD—Administrative Domain
32ADC—Analog-to-Digital Converter
33ADC—Apple Display Connector
34ADB—Apple Desktop Bus
35ADCCP—Advanced Data Communications Control Procedures
36ADO—ActiveX Data Objects
37ADSL—Asymmetric Digital Subscriber Line
38ADT—Abstract Data Type
39AE—Adaptive Equalizer
40AES—Advanced Encryption Standard
41AF—Anisotropic Filtering
42AFP—Apple Filing Protocol
43AGP—Accelerated Graphics Port
44AH—Active Hub
45AI—Artificial Intelligence
46AIX—Advanced Interactive eXecutive
47Ajax—Asynchronous JavaScript and XML
48AL—Active Link
49AL—Access List
50ALAC—Apple Lossless Audio Codec
51ALGOL—Algorithmic Language
52ALSA—Advanced Linux Sound Architecture
53ALU—Arithmetic and Logical Unit
54AM—Access Method
55AM—Active Matrix
56AMOLED—Active-Matrix Organic Light-Emitting Diode
57AM—Active Monitor
58AM—Allied Mastercomputer
59AM—Amplitude Modulation
60AMD—Advanced Micro Devices
61AMQP—Advanced Message Queuing Protocol
62AMR—Audio Modem Riser
63ANN—Artificial Neural Network
64ANSI—American National Standards Institute
65ANT—Another Neat Tool
66AoE—ATA over Ethernet
67AOP—Aspect-Oriented Programming
68APCI—Application-Layer Protocol Control Information
69API—Application Programming Interface
70APIC—Advanced Programmable Interrupt Controller
71APIPA—Automatic Private IP Addressing
72APL—A Programming Language
73APR—Apache Portable Runtime
74ARC—Adaptive Replacement Cache
75ARC—Advanced RISC Computing
76ARIN—American Registry for Internet Numbers
77ARM—Advanced RISC Machines
78AROS—AROS Research Operating System
79ARP—Address Resolution Protocol
80ARPA—Address and Routing Parameter Area
81ARPA—Advanced Research Projects Agency
82ARPANET—Advanced Research Projects Agency Network
83AS—Access Server
84ASCII—American Standard Code for Information Interchange
85AuthIP—Authenticated Internet Protocol
86ASET—Automated Security Enhancement Tool
87ASG—Abstract Semantic Graph
88ASIC—Application-Specific Integrated Circuit
89ASIMO—Advanced Step in Innovative Mobility
90ASLR—Address Space Layout Randomization
91ASM—Algorithmic State Machine
92ASMP—Asymmetric Multiprocessing
93ASN.1—Abstract Syntax Notation 1
94ASP—Active Server Pages
95ASP—Application Service Provider
96ASR—Asynchronous Signal Routine
97AST—Abstract Syntax Tree
98AT—Advanced Technology
99AT—Access Time
100AT—Active Terminator
101ATA—Advanced Technology Attachment
102ATAG—Authoring Tool Accessibility Guidelines
103ATAPI—Advanced Technology Attachment Packet Interface
104ATM—Asynchronous Transfer Mode
108AVC—Advanced Video Coding
109AVI—Audio Video Interleaved
110AWK—Aho Weinberger Kernighan
111AWS-Amazon Web Services
112AWT—Abstract Window Toolkit
113AWFL—Acronym With Four Letters
117BAL—Basic Assembly Language
118BAM—Block Availability Map
119Bash—Bourne-again shell
120BASIC—Beginner’s All-Purpose Symbolic Instruction Code
121BBP—Baseband Processor
122BBS—Bulletin Board System
123BC—Business Continuity
124BCD—Binary Coded Decimal
125BCD—Boot Configuration Data
126BCNF—Boyce–Codd normal form
127BCP-Business Continuity Planning
128BEEP—Blocks Extensible Exchange Protocol
129BER—Bit Error Rate
130BFD—Bidirectional Forwarding Detection
131BFD—Binary File Descriptor
132BFS—Breadth-First Search
133BFT—Byzantine Fault Tolerant
134BGP—Border Gateway Protocol
135BI—Business Intelligence
138BINAC—Binary Automatic Computer
139BIND—Berkeley Internet Name Domain
140BIOS—Basic Input Output System
141BJT—Bipolar Junction Transistor
142bit—binary digit
143Blob—Binary large object
144Blog—Web Log
145BMP—Basic Multilingual Plane
146BNC—Baby Neill Constant
147BOINC—Berkeley Open Infrastructure for Network Computing
148BOM—Byte Order Mark
149BOOTP—Bootstrap Protocol
150BPDU—Bridge Protocol Data Unit
151BPEL—Business Process Execution Language
152BPL—Broadband over Power Lines
153BPM—Business Process Management
154BPM—Business Process Modeling
155bps—bits per second
156BRM—Business Reference Model
157BRMS—Business Rule Management System
158BRR—Business Readiness Rating
159BRS—Broadband Radio Service
160BSA—Business Software Alliance
161BSB—Backside Bus
162BSD—Berkeley Software Distribution
163BSoD—Blue Screen of Death
164BSS—Block Started by Symbol
167B TAM—Basic Telecommunications Access Method
169BYOD—Bring Your Own Device
170Byte—By eight (group of 8 bits)
171CA—Computer Accountancy
172CAD—Computer-Aided Design
173CAE—Computer-Aided Engineering
174CAID—Computer-Aided Industrial Design
175CAI—Computer-Aided Instruction
176CAM—Computer-Aided Manufacturing
177CAP—Consistency Availability Partition tolerance (theorem)
178CAPTCHA—Completely Automated Public Turing Test to tell Computers and Humans Apart
179CAT—Computer-Aided Translation
180CAQ—Computer-Aided Quality Assurance
181CASE—Computer-Aided Software Engineering
182cc—C Compiler
183CD—Compact Disc
184CDE—Common Desktop Environment
185CDFS—Compact Disk File System
186CDMA—Code Division Multiple Access
187CDN—Content Delivery Network
188CDP—Cisco Discovery Protocol
189CDP—Continuous Data Protection
191CD-ROM—CD Read-Only Memory
193CDSA—Common Data Security Architecture
194CERT—Computer Emergency Response Team
195CES—Consumer Electronics Show
196CF—Compact Flash
197CFD—Computational Fluid Dynamics
198CFG—Context-Free Grammar
199CFG—Control Flow Graph
200CG—Computer Graphics
201CGA—Color Graphics Array
202CGI—Common Gateway Interface
203CGI—Computer-Generated Imagery
204CGT—Computational Graph Theory
205CHAP—Challenge-Handshake Authentication Protocol
207CIDR—Classless Inter-Domain Routing
208CIFS—Common Internet Filesystem
209CIM—Common Information Model
210CIM—Computationally Independent Model
211CIO—Chief Information Officer
212CIR—Committed information rate
213CISC—Complex Instruction Set Computer
214CJK—Chinese, Japanese, and Korean
215CJKV—Chinese, Japanese, Korean, and Vietnamese
216CLI—Command Line Interface
217CLR—Common Language Runtime
218CM—Configuration Management
219CM—Content Management
220CMDB—Configuration Management Database
221CMMI—Capability Maturity Model Integration
222CMOS—Complementary Metal-Oxide Semiconductor
223CMO—Current Mode of Operation
224CMS—Content Management System
225CN—Canonical Name
226CN—Common Name
227CNC—Computer Numerical Control
228CNG—Cryptographic Next Generation
229CNG—Cryptography Next Generation
230CNR—Communications and Networking Riser
231COBOL—Common Business-Oriented Language
232COM—Component Object Model or communication
233CORBA—Common Object Request Broker Architecture
234COTS—Commercial Off-The-Shelf
235CPA—Cell Processor Architecture
236CPAN—Comprehensive Perl Archive Network
237CP/M—Control Program/Monitor
238CPRI—Common Public Radio Interface
239CPS—characters per second
240CPU—Central Processing Unit
241CR—Carriage Return
242CRAN—Comprehensive R Archive Network
243CRC—Cyclic Redundancy Check
244CRLF—Carriage Return Line Feeds
245CRM—Customer Relationship Management
246CRS—Computer Reservations System
247CRT—Cathode Ray Tube
248CRUD—Create, Read, Update and Delete
249CS—Cable Select
250CS—Computer Science
251CSE—Computer Science and Engineering
252CSI—Common System Interface
253CSM—Compatibility Support Module
254CSMA/CD—Carrier sense multiple access with collision detection
255CSP—Cloud Service Provider
256CSP—Communicating Sequential Processes
257CSRF—Cross-Site Request Forgery
258CSS—Cascading Style Sheets
259CSS—Content-Scrambling System
260CSS—Closed Source Software
261CSS—Cross-Site Scripting
262CSV—Comma-Separated Values
263CT—Computerized Tomography
264CTAN—Comprehensive TeX Archive Network
265CTCP—Client-To-Client Protocol
266CTI—Computer Telephony Integration
267CTFE—Compile Time Function Execution
268CTL—Computational Tree Logic
269CTM—Close To Metal
270CTS—Clear To Send
271CTSS—Compatible Time-Sharing System
272CUA—Common User Access
273Concurrent Versions System—Concurrent Versioning System|CVS
274CVS—Concurrent Versioning System
275CX—Customer Experience
276DAC—Digital-To-Analog Converter
277DAC—Discretionary Access Control
278DAL—Database Abstraction Layer
279DAO—Data Access Object
280DAO—Data Access Objects
282DAP—Directory Access Protocol
283DAR-Direct Access Recovery
284DARPA—Defense Advanced Research Projects Agency
285DAS- Direct Attached Storage
286DAT—Digital Audio Tape
289DBA—Database Administrator
290DBCS—Double Byte Character Set
291DBMS—Database Management System
292DCC—Direct Client-to-Client
293DCCP—Datagram Congestion Control Protocol
294DCCA—Debian Common Core Alliance
295DCL—Data Control Language
296DCS—Distributed Control System
297DCMI—Dublin Core Metadata Initiative
298DCOM—Distributed Component Object Model
299DD—Double Density
300DDE—Dynamic Data Exchange
301DDI—DNS DHCP & IP Address management
302DDL—Data Definition Language
303DDoS—Distributed Denial of Service
304DDR—Double Data Rate
305DEC—Digital Equipment Corporation
306DES—Data Encryption Standard
308DFA—Deterministic Finite Automaton
309DFD—Data Flow Diagram
310DFS—Depth-First Search
311DFS—Distributed File System
312DGD—Dworkin’s Game Driver
313DHCP—Dynamic Host Configuration Protocol
314DHTML—Dynamic Hypertext Markup Language
315DIF—Data Integrity Field
316DIMM—Dual Inline Memory Module
317DIN—Deutsches Institut für Normung
318DIP—Dual In-line Package
319DISM—Deployment Image and Service Management Tool
320DIVX—Digital Video Express
321DKIM—Domain Keys Identified Mail
323DLL—Dynamic Link Library
324DLNA—Digital Living Network Alliance
325DLP—Data loss protection
326DMA—Direct Memory Access
327DMCA—Digital Millennium Copyright Act
328DMI—Direct Media Interface
329DML—Data Manipulation Language
330DML—Definitive Media Library
331DMR—Dennis M. Ritchie
332DMZ—Demilitarized Zone
333DN—Distinguished Name
335DNS—Domain Name System
336DOA—Dead on Arrival
337DOCSIS—Data Over Cable Service Interface Specification
338DOM—Document Object Model
339DoS—Denial of Service
340DOS—Disk Operating System
341DP—Dot Pitch
342DPC—Deferred Procedure Call
343DPI—Deep Packet Inspection
344DPI—Dots Per Inch
345DPMI—DOS Protected Mode Interface
346DPMS—Display Power Management Signaling
347DR—Disaster Recovery
348DRAM—Dynamic Random-Access Memory
349DR-DOS—Digital Research – Disk Operating System
350DRI—Direct Rendering Infrastructure
351DRM—Digital Rights Management
352DRM—Direct Rendering Manager
353DSA—Digital Signature Algorithm
354DSDL—Document Schema Definition Languages
355DSDM—Dynamic Systems Development Method
356DSL—Digital Subscriber Line
357DSL—Domain-Specific Language
358DSLAM—Digital Subscriber Line Access Multiplexer
359DSN—Database Source Name
360DSN—Data Set Name
361DSP—Digital Signal Processor
362DSSSL—Document Style Semantics and Specification Language
363DTD—Document Type Definition
364DTE—Data Terminal Equipment or data transfer rate
365DTP—Desktop Publishing
366DTR—Data Terminal Ready or Data transfer rate
367DVD—Digital Versatile Disc
369DVD-ROM—DVD-Read Only Memory
371DVI—Digital Visual Interface
372DVR—Digital Video Recorder
373DW—Data Warehouse
374EAI—Enterprise Application Integration
375EAP—Extensible Authentication Protocol
376EAS—Exchange ActiveSync
377EBCDIC—Extended Binary Coded Decimal Interchange Code
378EBML—Extensible Binary Meta Language
379ECC—Elliptic Curve Cryptography
380ECMA—European Computer Manufacturers Association
381ECN—Explicit Congestion Notification
382ECOS—Embedded Configurable Operating System
383ECRS—Expense and Cost Recovery System
384EDA—Electronic Design Automation
385EDGE— Enhanced Data rates for GSM Evolution
386EDI—Electronic Data Interchange
387EDO—Extended Data Out
388EDSAC—Electronic Delay Storage Automatic Calculator
389EDVAC—Electronic Discrete Variable Automatic Computer
390EEPROM—Electronically Erasable Programmable Read-Only Memory
391EFF—Electronic Frontier Foundation
392EFI—Extensible Firmware Interface
393EFM—Eight-to-Fourteen Modulation
394EFM—Ethernet in the First Mile
395EFS—Encrypting File System
396EGA—Enhanced Graphics Array
397E-mail—Electronic mail
398EGP—Exterior Gateway Protocol
399eID—electronic ID card
400EIDE—Enhanced IDE
401EIGRP—Enhanced Interior Gateway Routing Protocol
402EISA—Extended Industry Standard Architecture
403ELF—Extremely Low Frequency
404ELF—Executable and Linkable Format
405ELM—ELectronic Mail
406EMACS—Editor MACroS
407EMS—Expanded Memory Specification
408ENIAC—Electronic Numerical Integrator And Computer
409EOD—End of Day
410EOF—End of File
411EOL—End of Line
412EOM—End Of Message
413EOS—End OF Support
414EPIC—Explicitly Parallel Instruction Computing
415EPROM—Erasable Programmable Read-Only Memory
416ERD—Entity-Relationship Diagram
417ERM—Entity-Relationship Model
418ERP—Enterprise Resource Planning
419eSATA—external SATA
420ESB—Enterprise service bus
421ESCON—Enterprise Systems Connection
422ESD—Electrostatic Discharge
423ESI—Electronically Stored Information
424ESR—Eric Steven Raymond
425ETL—Extract, Transform, Load
426ETW—Event Tracing for Windows
427EUC—Extended Unix Code
428EULA—End User License Agreement
429EWM—Enterprise Work Management
430EWMH—Extended Window Manager Hints
431EXT—EXTended file system
432ETA—Estimated Time of Arrival
433FAP—FORTRAN Assembly Program
434FASM—Flat ASseMbler
435FAT—File Allocation Table
436FAQ—Frequently Asked Questions
437FBDIMM—Fully Buffered Dual Inline Memory Module
438FC-AL—Fibre Channel Arbitrated Loop
439FCB—File Control Block
440FCS—Frame Check Sequence
441FDC—Floppy Disk Controller
442FDS—Fedora Directory Server
443FDD—Frequency-Division Duplexing
444FDD—Floppy Disk Drive
445FDDI—Fiber Distributed Data Interface
446FDM—Frequency-Division Multiplexing
447FDMA—Frequency-Division Multiple Access
448FEC—Forward Error Correction
449FEMB—Front-End Motherboard
450FET—Field Effect Transistor
451FHS—Filesystem Hierarchy Standard
452FICON—FIber CONnectivity
453FIFO—First In First Out
454FIPS—Federal Information Processing Standards
455FL—Function Level
456FLAC—Free Lossless Audio Codec
457FLOPS—FLoating-Point Operations Per Second
458FLOSS—Free/Libre/Open Source Software
459FMC— Fixed Mobile Convergence “Mobile UC or Unified Communications over Wireless”
460FMO—Future Mode of Operation
461FOLDOC—Free On-line Dictionary of Computing
462FOSDEM—Free and Open source Software Developers’ European Meeting
463FOSI—Formatted Output Specification Instance
464FOSS—Free and Open Source Software
465FP—Function Programming
466FPGA—Field Programmable Gate Array
467FPS—Floating Point Systems
468FPU—Floating Point Unit
469FRU—Field Replaceable Unit
470FS—File System
471FSB—Front Side Bus
472fsck—File System Check
473FSF—Free Software Foundation
474FSM—Finite State Machine
475FTTA—Fiber To The Antenna
476FTTC—Fiber To The Curb
477FTTH—Fiber To The Home
478FTTP—Fiber To The Premises
479FTP—File Transfer Protocol
480FQDN—Fully Qualified Domain Name
481FUD—Fear Uncertainty Doubt
482FWS—Folding White Space
483FXP—File eXchange Protocol
484FYI—For Your Information
485FVEK—Full Volume Encryption Key
487Gas—GNU Assembler
490GCC—GNU Compiler Collection
491GCJ—GNU Compiler for Java
492GCP-Google Cloud Platform
493GCR—Group Coded Recording
494GDB—GNU Debugger
495GDI—Graphics Device Interface
496GFDL—GNU Free Documentation License
497GIF—Graphics Interchange Format
498GIGO—Garbage In, Garbage Out
499GIMP—GNU Image Manipulation Program
500GIMPS—Great Internet Mersenne Prime Search
501GIS—Geographic Information System
502GLUT—OpenGL Utility Toolkit
503GML—Geography Markup Language
504GNOME—GNU Network Object Model Environment
505GNU—GNU’s Not Unix
506GOMS—Goals, Operators, Methods, and Selection rules
508GPFS—General Parallel File System
509GPG—GNU Privacy Guard
510GPGPU—General-Purpose Computing on Graphics Processing Units
511GPIB—General-Purpose Instrumentation Bus
512GPL—General Public License
513GPL—General-Purpose Language
514GPRS—General Packet Radio Service
515GPT—GUID Partition Table
516GPU—Graphics Processing Unit
517GRUB—Grand Unified Boot-Loader
518GERAN—GSM EDGE Radio Access Network
519GSM—Global System for Mobile Communications
520GTK+—GIMP Toolkit
521GUI—Graphical User Interface
522GUID—Globally Unique IDentifier
523GWT—Google Web Toolkit
524GYR—IT Networking
525HA—High Availability
526HAL—Hardware Abstraction Layer
527HARD—HTML Application Rapid Development
528HASP—Houston Automatic Spooling Priority
529HBA—Host Bus Adapter
530HCI—Human Computer Interaction
531HD—High Density
532HDD—Hard Disk Drive
533HCL—Hardware Compatibility List
534HD DVD—High Definition DVD
535HDL—Hardware Description Language
536HDMI—High-Definition Multimedia Interface
537HECI—Host Embedded Controller Interface
538HF—High Frequency
539HFS—Hierarchical File System
540HHD—Hybrid Hard Drive
541HID—Human Interface Device
542HIG—Human Interface Guidelines
543HIRD—Hurd of Interfaces Representing Depth
544HLASM—High Level ASseMbler
545HLS—HTTP Live Streaming
546HMA—High Memory Area
548HPC—High-Performance Computing
549HPFS—High Performance File System
550HSDPA—High-Speed Downlink Packet Access
551HTC—High-Throughput Computing
552HSM—Hierarchical Storage Management
553HT—Hyper Threading
554HTM—Hierarchical Temporal Memory
555HTML—Hypertext Markup Language
556HTTP—Hypertext Transfer Protocol
557HTTPd—Hypertext Transport Protocol Daemon
558HTTPS—HTTP Secure
559HTX—HyperTransport eXpansion
560HURD—Hird of Unix-Replacing Daemons
561HVD—Holographic Versatile Disc
563I²C—Inter-Integrated Circuit
564I²S—Integrated Interchip Sound
566IANA—Internet Assigned Numbers Authority
567IaaS—Infrastructure as a Service
568iBCS—Intel Binary Compatibility Standard
569IBM—International Business Machines
570IC—Integrated Circuit
571ICANN—Internet Corporation for Assigned Names and Numbers
572ICE—In-Circuit Emulator
573ICE—Intrusion Countermeasure Electronics
574ICH—I/O Controller Hub
575ICMP—Internet Control Message Protocol
576ICP—Internet Cache Protocol
577ICS—Internet Connection Sharing
578ICT—Information and Communication Technology
579IDE—Integrated Development Environment
580IDE—Integrated Drive Electronics
581IDF—Intermediate Distribution Frame
582IDF—Intermediate Data Format
583IDL—Interactive Data Language
584IDL—Interface Definition Language
585IDS—Intrusion Detection System
586IE—Internet Explorer
587IEC—International Electrotechnical Commission
588IEEE—Institute of Electrical and Electronics Engineers
589IETF—Internet Engineering Task Force
590IFGICT—International Federation of Global & Green ICT
591IFL—Integrated Facility for Linux
592IGMP—Internet Group Management Protocol
593IGRP—Interior Gateway Routing Protocol
594IHV—Independent Hardware Vendor
595IIOP—Internet Inter-Orb Protocol
596IIS—Internet Information Services
597IKE—Internet Key Exchange
598IL—Intermediate Language
599IM—Instant Messaging
600IMAP—Internet Message Access Protocol
601IME—Input Method Editor
602IMR—Internet Monthly Report
603INFOSEC—Information Systems Security
605IoT—Internet of Things
606IP—Intellectual Property
607IP—Internet Protocol
608IPAM—IP Address Management
609IPC—Inter-Process Communication
610IPL—Initial Program Load
611IPMI—Intelligent Platform Management Interface
612IPO—Inter Procedural Optimization
613IPP—Internet Printing Protocol
614IPS—In-Plane Switching
615IPS—Instructions Per Second
616IPS—Intrusion Prevention System
617IPsec—Internet Protocol security
618IPTV—Internet Protocol Television
619IPv4—Internet Protocol version 4
620IPv6—Internet Protocol version 6
621IPX—Internetwork Packet Exchange
622IR—Intermediate Representation
623IRC—Internet Relay Chat
624IrDA—Infrared Data Association
625IRI—Internationalized Resource Identifier
626IRP—I/O Request Packet
627IRQ—Interrupt Request
628IS—Information Systems
629IS-IS—Intermediate System to Intermediate System
630ISA—Industry Standard Architecture
631ISA—Instruction Set Architecture
632ISAM—Indexed Sequential Access Method
633ISATAP—Intra-Site Automatic Tunnel Addressing Protocol
634ISC—Internet Storm Center
635iSCSI—Internet Small Computer System Interface
636ISDN—Integrated Services Digital Network
637ISO—International Organization for Standardization
638iSNS—Internet Storage Name Service
639ISP—Internet Service Provider
640ISPF—Interactive System Productivity Facility
641ISR—Interrupt Service Routine
642ISV—Independent Software Vendor
643IT—Information Technology
644ITIL—Information Technology Infrastructure Library
645ITL—Interval Temporal Logic
646ITU—International Telecommunication Union
647IVRS—Interactive Voice Response System
648IVCR—Interactive Virtual Classroom
649J2EE—Java 2 Enterprise Edition
650J2ME—Java 2 Micro Edition
651J2SE—Java 2 Standard Edition
652JAXB—Java Architecture for XML Binding
653JAX-RPC—Java XML for Remote Procedure Calls
654JAXP—Java API for XML Processing
655JBOD—Just a Bunch of Disks
656JCE— Java Cryptography Extension
657JCL—Job Control Language
658JCP—Java Community Process
659JDBC—Java Database Connectivity
660JDK—Java Development Kit
661JEE—Java Enterprise Edition
662JES—Job Entry Subsystem
663JDS—Java Desktop System
664JFC—Java Foundation Classes
665JFET—Junction Field-Effect Transistor
666JFS—IBM Journaling File System
667JINI—Jini Is Not Initials
669JME—Java Micro Edition
670JMX—Java Management Extensions
671JMS—Java Message Service
672JNDI—Java Naming and Directory Interface
673JNI—Java Native Interface
674JNZ—Jump non-zero
675JPEG—Joint Photographic Experts Group
676JRE—Java Runtime Environment
678JSE—Java Standard Edition
679JSON—JavaScript Object Notation
680JSP—Jackson Structured Programming
681JSP—JavaServer Pages
682JTAG—Joint Test Action Group
683JVM—Java Virtual Machine
684K&R—Kernighan and Ritchie
688KB—Knowledge Base
690KDE—K Desktop Environment
692KM—Knowledge Machine
693KRL—Knowledge Representation Language
694KVM—Keyboard, Video, Mouse
696L2TP—Layer two Tunneling Protocol
697LACP—Link Aggregation Control Protocol
698LAMP—Linux Apache MySQL Perl
699LAMP—Linux Apache MySQL PHP
700LAMP—Linux Apache MySQL Python
701LAN—Local Area Network
702LBA—Logical Block Addressing
703LB—Load Balancer
704LCD—Liquid Crystal Display
705LCR—Least Cost Routing
706LCOS—Liquid Crystal On Silicon
707LDAP—Lightweight Directory Access Protocol
708LE—Logical Extents
709LED—Light-Emitting Diode
710LF—Line Feed
711LF—Low Frequency
712LFS—Linux From Scratch
713LGPL—Lesser General Public License
715LIF—Low Insertion Force
716LIFO—Last In First Out
717LILO—Linux Loader
718LIP—Loop Initialization Primitive
719LISP—LISt Processing
720LKML—Linux Kernel Mailing List
721LM—Lan Manager
722LOC—Lines of Code
723LPC—Lars Pensjö C
724LPI—Linux Professional Institute
725LPT— Line Print Terminal
726LRU—Least Recently Used
727LSB—Least Significant Bit
728LSB—Linux Standard Base
729LSI—Large-Scale Integration
730LTE—Long Term Evolution
731LTL—Linear Temporal Logic
733LUG—Linux User Group
734LUN—Logical Unit Number
735LV—Logical Volume
736LVD—Low Voltage Differential
737LVM—Logical Volume Management
739LGA—Land Grid Array
740MAC—Mandatory Access
741MAC—Media Access Control
742MANET—Mobile Ad-Hoc Network
743MAN—Metropolitan Area Network
744MAPI—Messaging Application Programming Interface
745MBCS—Multi Byte Character Set
746MBD—Model-Based Design
747MBR—Master Boot Record
750MCAD—Microsoft Certified Application Developer
751MCAS—Microsoft Certified Application Specialist
752MCA—Micro Channel Architecture
753MCA—Microsoft Certified Architect
754MCDBA—Microsoft Certified DataBase Administrator
755MCDST—Microsoft Certified Desktop Support Technician
756MCITP—Microsoft Certified Information Technology Professional
757MCM—Microsoft Certified Master
758MCPC—Multiple Channels Per Carrier
759MCPD—Microsoft Certified Professional Developer
760MCP—Microsoft Certified Professional
761MCSA—Microsoft Certified Systems Administrator
762MCSD—Microsoft Certified Solution Developer
763MCSE—Microsoft Certified Systems Engineer
764MCTS—Microsoft Certified Technology Specialist
765MCT—Microsoft Certified Trainer
766MDA—Monochrome Display Adapter
767MDA—Mail Delivery Agent
768MDA—Model-Driven Architecture
769MDD/MDSD—Model-Driven (Software) Development
770MDF—Main Distribution Frame
771MDI—Multiple Document Interface
772MDM-Master Data Management
773ME—Microsoft Edge
774ME—[Windows] Millennium Edition
775MFC—Microsoft Foundation Classes
776MFM—Modified Frequency Modulation
777MF—Medium Frequency
778MGCP—Media Gateway Control Protocol
780MIB—Management Information Base
781MICR—Magnetic Ink Character Recognition
782MIDI—Musical Instrument Digital Interface
783MIMD—Multiple Instruction, Multiple Data
784MIME—Multipurpose Internet Mail Extensions
785MIMO—Multiple-Input Multiple-Output
787MIPS—Microprocessor without Interlocked Pipeline Stages
788MIPS—Million Instructions Per Second
789MISD—Multiple Instruction, Single Data
790MIS—Management Information Systems
791MIT—Massachusetts Institute of Technology
792ML-Machine Learning
793MMC— Microsoft Management Console
794MMDS—Mortality Medical Data System
795MMDS—Multichannel Multipoint Distribution Service
796MMF—Multi-Mode (optical) Fiber
797MMIO—Memory-Mapped I/O
798MMI—Man Machine Interface.
799MMORPG—Massively Multiplayer Online Role-Playing Game
800MMU—Memory Management Unit
801MMX—Multi-Media Extensions
802MNG—Multiple-image Network Graphics
804MOM—Message-Oriented Middleware
805MOO—MUD Object Oriented
806MOP—Meta-Object Protocol
807MOSFET—Metal-Oxide Semiconductor Field Effect Transistor
808MOS—Microsoft Office Specialist
809MOTD—Message Of The Day
810MOUS—Microsoft Office User Specialist
811MOV—Apple QuickTime Multimedia File
812MPAA—Motion Picture Association of America
813MPEG—Motion Pictures Experts Group
814MPLS—Multiprotocol Label Switching
815MPL—Mozilla Public License
816MPU—Microprocessor Unit
817MS-DOS—Microsoft DOS
818MSA—Mail Submission Agent
819MSB—Most Significant Bit
820MSDN—Microsoft Developer Network
821MSI—Medium-Scale Integration
822MSI—Message Signaled Interrupt
823MSI—Microsoft Installer
824MSN—Microsoft Network
826MS—Memory Stick
827MTA—Mail Transfer Agent
828MTA—Microsoft Technology Associate
829MTBF—Mean Time Between Failures
830MTU—Maximum Transmission Unit
831MT—Machine Translation
832MUA—Mail User Agent
833MUD—Multi-User Dungeon
834MU-Memory Unit
836MVP—Most Valuable Professional
837MVS—Multiple Virtual Storage
838MWC—Mobile World Congress
839MXF—Material Exchange Format
840MX—Mail exchange
841NACK—Negative ACKnowledgement
842NAK—Negative AcKnowledge Character
843NaN—Not a Number
844NAP—Network Access Protection
845NAS—Network-Attached Storage
846NASM—Netwide ASseMbler
847NAT—Network Address Translation
848NCP—NetWare Core Protocol
849NCQ—Native Command Queuing
850NCSA—National Center for Supercomputing Applications
851NDIS—Network Driver Interface Specification
852NDPS—Novell Distributed Print Services
853NDS—Novell Directory Services
854NEP—Network Equipment Provider
855NetBIOS—Network Basic Input/Output System
856NetBT—NetBIOS over TCP/IP
857NEXT—Near-End CrossTalk
858NFA—Nondeterministic Finite Automaton
859NFC—Near field communication
860NFS—Network File System
862NGSCB—Next-Generation Secure Computing Base
863NI—National Instruments
864NIC—Network Interface Controller
865NIM—No Internal Message
866NIO—Non-blocking I/O
867NIST—National Institute of Standards and Technology
868NLP—Natural Language Processing
869NLS—Native Language Support
870NMI—Non-Maskable Interrupt
871NNTP—Network News Transfer Protocol
872NOC—Network Operations Center
873NOP—No OPeration
874NOS—Network Operating System
875NP—Nondeterministic Polynomial time
876NPL—Netscape Public License
877NPTL—Native POSIX Thread Library
878NPU—Network Processing Unit
880NSA—Network Security Appliance
881NSI—Network Service Interface
882NSPR—Netscape Portable Runtime
883NSS—Novell Storage Service
884NSS—Network Security Services
885NSS—Name Service Switch
886NT—New Technology
887NTFS—NT Filesystem
888NTLM—NT Lan Manager
889NTP—Network Time Protocol
890NUMA—Non-Uniform Memory Access
891NURBS—Non-Uniform Rational B-Spline
892NVR—Network Video Recorder
893NVRAM—Non-Volatile Random Access Memory
894OASIS—Organization for the Advancement of Structured Information Standards
895OAT—Operational Acceptance Testing
896OBSAI—Open Base Station Architecture Initiative
897ODBC—Open Database Connectivity
898OEM—Original Equipment Manufacturer
899OES—Open Enterprise Server
900OFDM—Orthogonal Frequency Division Multiplexing
901OFTC—Open and Free Technology Community
902OID—Object Identifier
903OLAP—Online Analytical Processing
904OLE—Object Linking and Embedding
905OLED—Organic Light Emitting Diode
906OLPC—One Laptop per Child
907OLTP—Online Transaction Processing
908OMF—Object Module Format
909OMG—Object Management Group
910OMR—Optical Mark Reader
913OOE—Out-of-Order Execution
914OOM—Out Of Memory
916OoOE—Out-of-Order Execution
917OOP—Object-Oriented Programming
918OOTB—Out of the box
919OPML—Outline Processor Markup Language
920ORB—Object Request Broker
921ORM—Object-Relational Mapping
922OS—Open Source
923OS—Operating System
924OSCON—O’Reilly Open Source CONvention
925OSDN—Open Source Development Network
926OSI—Open Source Initiative
927OSI—Open Systems Interconnection
928OSPF—Open Shortest Path First
929OSS—Open Sound System
930OSS—Open-Source Software
931OSS—Operations Support System
932OSTG—Open Source Technology Group
933OUI—Organisationally Unique Identifier
935PaaS—Platform as a Service
936PAN—Personal Area Network
937PAP—Password Authentication Protocol
938PARC—Palo Alto Research Center
939PATA—Parallel ATA
940PBS—Portable Batch System
941PC—Personal Computer
942PCB—Printed Circuit Board
943PCB—Process Control Block
944PC DOS—Personal Computer Disc Operating System
945PCI—Peripheral Component Interconnect
946PCIe—PCI Express
947PCI-X—PCI Extended
948PCL—Printer Command Language
949PCMCIA—Personal Computer Memory Card International Association
950PCM—Pulse-Code Modulation
951PCRE—Perl Compatible Regular Expressions
952PD—Public Domain
953PDA—Personal Digital Assistant
954PDF—Portable Document Format
955PDH—Plesiochronous Digital Hierarchy
956PDP—Programmed Data Processor
957PE—Physical Extents
958PERL—Practical Extraction and Reporting Language
959PFA—Please Find Attachment
960PG—Peripheral Gateway
961PGA—Pin Grid Array
962PGA—Programmable Gate Array
963PGO—Profile-Guided Optimization
964PGP—Pretty Good Privacy
965PHP—Hypertext Preprocessor
966PIC—Peripheral Interface Controller
967PIC—Programmable Interrupt Controller
969PID—Process ID
970PIM—Personal Information Manager
971PINE—Program for Internet News and Email
972PIM—Platform Independent Model
973PIO—Programmed Input/Output
974PKCS—Public Key Cryptography Standards
975PKI—Public Key Infrastructure
976PLC—Power Line Communication
977PLC—Programmable Logic Controller
978PLD—Programmable Logic Device
979PL/I—Programming Language One
980PL/M—Programming Language for Microcomputers
981PL/P—Programming Language for Prime
982PLT—Power Line Telecommunications
983PMM—POST Memory Manager
984PNG—Portable Network Graphics
986PNRP—Peer Name Resolution Protocol
987PoE—Power over Ethernet
988POID—Persistent Object Identifier
989POJO—Plain Old Java Object
990POP—Point of Presence
991POP3—Post Office Protocol v3
992POSIX—Portable Operating System Interface, formerly IEEE-IX
993POST—Power-On Self Test
995PPI—Pixels Per Inch
996PPP—Point-to-Point Protocol
997PPPoA—PPP over ATM
998PPPoE—PPP over Ethernet
999PPTP—Point-to-Point Tunneling Protocol
1000PR—Pull Request
1002PS/2—Personal System/2
1003PSA—Professional Services Automation
1004PSM—Platform Specific Model
1005PSU—Power Supply Unit
1006PSVI—Post-Schema-Validation Infoset
1007PTS-DOS—PhysTechSoft – Disk Operating System
1008PV—Physical Volume
1009PVG—Physical Volume Group
1010PVR—Personal Video Recorder
1011PXE—Preboot Execution Environment
1012PXI—PCI eXtensions for Instrumentation
1013QDR—Quad Data Rate
1014QA—Quality Assurance
1015QFP—Quad Flat Package
1016QoS—Quality of Service
1017QOTD—Quote of the Day
1018Qt—Quasar Toolkit
1019QTAM—Queued Teleprocessing Access Method
1020QSOP—Quarter Small Outline Package
1021qWave—Quality Windows Audio/Video Experience
1022RACF—Resource Access Control Facility
1023RAD—Rapid Application Development
1024RADIUS—Remote Authentication Dial In User Service
1025RAID—Redundant Array of Independent Disks
1026RAII—Resource Acquisition Is Initialization
1027RAIT—Redundant Array of Inexpensive Tapes
1028RAM—Random Access Memory
1029RARP—Reverse Address Resolution Protocol
1030RAS—Reliability, Availability and Serviceability
1031RAS—Remote access service
1032RC—Region Code
1033RC—Release Candidate
1034RC—Run Commands
1035RCA—Root Cause Analysis
1036RCS—Revision Control System
1037RD—Remote Desktop
1038rd—remove directory
1039RDBMS—Relational Database Management System
1040RDC—Remote Desktop Connection
1041RDF—Resource Description Framework
1042RDM—Relational Data Model
1043RDOS—Real-time Disk Operating System
1044RDP— Remote Desktop Protocol
1045RDS—Remote Data Services
1046REFAL—Recursive Functions Algorithmic Language
1047REP—RAID Error Propagation
1048REST—Representational State Transfer
1049regex—Regular Expression
1050regexp—Regular Expression
1051RF—Radio Frequency
1052RFC—Request For Comments
1053RFI—Radio Frequency Interference
1054RFID—Radio Frequency Identification
1055RGB—Red, Green, Blue
1056RGBA—Red, Green, Blue, Alpha
1057RHL—Red Hat Linux
1058RHEL—Red Hat Enterprise Linux
1059RIA—Rich Internet Application
1060RIAA—Recording Industry Association of America
1061RIP—Raster Image Processor
1062RIP—Routing Information Protocol
1063RIR—Regional Internet registry
1064RISC—Reduced Instruction Set Computer
1065RISC OS—Reduced Instruction Set Computer Operating System
1066RJE—Remote Job Entry
1067RLE—Run-Length Encoding
1068RLL—Run-Length Limited
1069rmdir—remove directory
1070RMI—Remote Method Invocation
1071RMS—Richard Matthew Stallman
1072ROM—Read Only Memory
1073ROMB—Read-Out Motherboard
1074ROM-DOS—Read Only Memory – Disk Operating System
1075RPA-Robotic Process Automation
1076RPC—Remote Procedure Call
1077RPG—Report Program Generator
1078RPM—RPM Package Manager
1079RRAS—Routing and Remote Access Service
1080RSA—Rivest Shamir Adleman
1081RSI—Repetitive Strain Injury
1082RSS—Radio Service Software
1083RSS—Rich Site Summary, RDF Site Summary, or Really Simple Syndication
1084RTAI—Real-Time Application Interface
1085RTC—Real-Time Clock
1086RTE—Real-Time Enterprise
1087RTEMS—Real-Time Executive for Multiprocessor Systems
1089RTMP—Real Time Messaging Protocol
1090RTOS—Real-Time Operating System
1091RTP—Real-time Transport Protocol
1092RTS—Ready To Send
1093RTSP—Real Time Streaming Protocol
1094RTTI—Run-time Type Information
1095RWD—Responsive Web Design
1096SaaS—Software as a Service
1097SASS—Syntatically Awesome Style Sheets
1098SAM— Security Account Manager
1099SAN—Storage Area Network
1100SAS—Serial attached SCSI
1101SATA—Serial ATA
1102SAX—Simple API for XML
1103SBOD—Spinning Beachball of Death
1104SBP-2—Serial Bus Protocol 2
1105sbin—superuser binary
1106sbs—Small Business Server
1107SBU—Standard Build Unit
1108SCADA—Supervisory Control And Data Acquisition
1109SCID—Source Code in Database
1110SCM—Software Configuration Management
1111SCM—Source Code Management
1112SCP—Secure Copy
1113SCPC—Single Channel Per Carrier
1114SCPI—Standard Commands for Programmable Instrumentation
1115SCSA—Secure Content Storage Association
1116SCSI—Small Computer System Interface
1117SCTP—Stream Control Transmission Protocol
1118SD—Secure Digital
1119SDDL—Security Descriptor Definition Language
1120SDH—Synchronous Digital Hierarchy
1121SDI—Single Document Interface
1122SEC—Single Edge Contact
1123SDIO—Secure Digital Input Output
1124SDK—Software Development Kit
1125SDL—Simple DirectMedia Layer
1126SDN—Service Delivery Network
1127SDP—Session Description Protocol
1128SDR—Software-Defined Radio
1129SDRAM—Synchronous Dynamic Random Access Memory
1130SDSL—Symmetric DSL
1131SE—Single Ended
1132SEI—Software Engineering Institute
1133SEO—Search Engine Optimization
1134SFTP—Secure FTP
1135SFTP—Simple File Transfer Protocol
1136SFTP—SSH File Transfer Protocol
1137SGI—Silicon Graphics, Incorporated
1138SGML—Standard Generalized Markup Language
1139SGR—Select Graphic Rendition
1140SHA—Secure Hash Algorithm
1141SHDSL—Single-pair High-speed Digital Subscriber Line
1142SIGCAT—Special Interest Group on CD-ROM Applications and Technology
1143SIGGRAPH—Special Interest Group on Graphics
1144SIMD—Single Instruction, Multiple Data
1145SIMM—Single Inline Memory Module
1146SIP—Session Initiation Protocol
1147SIP—Supplementary Ideographic Plane
1148SISD—Single Instruction, Single Data
1149SISO—Single-Input and Single-Output
1150SLA-Service Level Agreement
1151SLED—SUSE Linux Enterprise Desktop
1152SLES—SUSE Linux Enterprise Server
1153SLI—Scalable Link Interface
1154SLIP—Serial Line Internet Protocol
1155SLM—Service Level Management
1156SLOC—Source Lines of Code
1157SME—Subject Matter Expert
1158SMF—Single-Mode (optical) Fiber
1159SPM—Software project management
1160SPMD—Single Program, Multiple Data
1161SMA—SubMiniature version A
1162SMB—Server Message Block
1163SMBIOS—System Management BIOS
1164SMIL—Synchronized Multimedia Integration Language
1165S/MIME—Secure/Multipurpose Internet Mail Extensions
1166SMP—Supplementary Multilingual Plane
1167SMP—Symmetric Multi-Processing
1168SMPS—Switch Mode Power Supply
1169SMS—Short Message Service
1170SMS—System Management Server
1171SMT—Simultaneous Multithreading
1172SMTP—Simple Mail Transfer Protocol
1173SNA—Systems Network Architecture
1174SNMP—Simple Network Management Protocol
1175SNTP—Simple Network Time Protocol
1176SOA—Service-Oriented Architecture
1177SOAP—Simple Object Access Protocol
1178SOAP—Symbolic Optimal Assembly Program
1179SOPA—Stop Online Piracy Act
1181SO-DIMM—Small Outline DIMM
1182SOE—Standard Operating Environment
1183SOHO—Small Office/Home Office
1184SOI—Silicon On Insulator
1185SP—Service Pack
1186SPA—Single Page Application
1187SPF—Sender Policy Framework
1188SPI—Serial Peripheral Interface
1189SPI—Stateful Packet Inspection
1190SPARC—Scalable Processor Architecture
1191SQL—Structured Query Language
1192SRAM—Static Random Access Memory
1193SSA—Static Single Assignment
1194SSD—Software Specification Document
1195SSD—Solid-State Drive
1196SSDP—Simple Service Discovery Protocol
1197SSE—Streaming SIMD Extensions
1198SSH—Secure Shell
1199SSI—Server Side Includes
1200SSI—Single-System Image
1201SSI—Small-Scale Integration
1202SSID—Service Set Identifier
1203SSL—Secure Socket Layer
1204SSO—Single Sign On
1205SSP—Supplementary Special-purpose Plane
1206SSSE—Supplementary Streaming SIMD Extensions
1207SSSP—Single Source Shortest Path
1208SSTP—Secure Socket Tunneling Protocol
1210SUS—Single UNIX Specification
1211SUSE—Software und System-Entwicklung
1212SVC—Scalable Video Coding
1213SVG—Scalable Vector Graphics
1214SVGA—Super Video Graphics Array
1215SVD—Structured VLSI Design
1216SWF—Shock Wave Flash
1217SWT—Standard Widget Toolkit
1218Sysop—System operator
1219SOLID— Single-responsibility Principle, Open-closed Principle, Liskov substitution principle, Interface segregation principle, Dependency Inversion principle
1221TAPI—Telephony Application Programming Interface
1222TASM—Turbo ASseMbler
1224Tcl—Tool Command Language
1225TCP—Transmission Control Protocol
1226TCP/IP—Transmission Control Protocol/Internet Protocol
1227TCU—Telecommunication Control Unit
1228TDMA—Time-Division Multiple Access
1229TFT—Thin-Film Transistor
1230TFTP—Trivial File Transfer Protocol
1231TI—Texas Instruments
1232TIFF—Tagged Image File Format
1233TLA—Three-Letter Acronym
1234TLD—Top-Level Domain
1235TLS—Thread-Local Storage
1236TLS—Transport Layer Security
1239TNC—Terminal Node Controller
1240TNC—Threaded Neill-Concelman connector
1241TPF—Transaction Processing Facility
1242TPM—Trusted Platform Module
1243TROFF—Trace Off
1244TRON—Trace On
1245TRON—The Real-time Operating system Nucleus
1246TRSDOS—Tandy Radio Shack – Disk Operating System
1247TSO—Time Sharing Option
1248TSP—Traveling Salesman Problem
1249TSR—Terminate and Stay Resident
1250TTA—True Tap Audio
1251TTF—TrueType Font
1252TTL—Transistor-Transistor Logic
1253TTL—Time To Live
1256TUCOWS—The Ultimate Collection of Winsock Software
1257TUG—TeX Users Group
1258TWAIN—Technology Without An Interesting Name
1259UAAG—User Agent Accessibility Guidelines
1260UAC—User Account Control
1261UART—Universal Asynchronous Receiver/Transmitter
1262UAT—User Acceptance Testing
1263UB—Undefined Behavior
1264UCS—Universal Character Set
1265UDDI—Universal Description, Discovery, and Integration
1266UDMA—Ultra DMA
1267UDP—User Datagram Protocol
1268UEFI—Unified Extensible Firmware Interface
1269UHF—Ultra High Frequency
1270UI—User Interface
1272ULA—Uncommitted Logic Array
1273UMA—Upper Memory Area
1274UMB—Upper Memory Block
1275UML—Unified Modeling Language
1276UML—User-Mode Linux
1277UMPC—Ultra-Mobile Personal Computer
1278UMTS—Universal Mobile Telecommunications System
1279UNC—Universal Naming Convention
1280UNIVAC—Universal Automatic Computer (By MKS)
1281UPS—Uninterruptible Power Supply
1282URI—Uniform Resource Identifier
1283URL—Uniform Resource Locator
1284URN—Uniform Resource Name
1285USB—Universal Serial Bus
1287USR—U.S. Robotics
1288UTC—Coordinated Universal Time
1289UTF—Unicode Transformation Format
1290UTP—Unshielded Twisted Pair
1291UTRAN—Universal Terrestrial Radio Access Network
1292UUCP—Unix to Unix Copy
1293UUID—Universally Unique Identifier
1294UUN—Universal User Name
1295UVC—Universal Virtual Computer
1296UWP—Universal Windows Platform
1297UX—User Experience
1299VAX—Virtual Address eXtension
1300VCPI—Virtual Control Program Interface
1301VR—Virtual Reality
1302VRML—Virtual Reality Modeling Language
1303VB—Visual Basic
1304VBA—Visual Basic for Applications
1305VBS—Visual Basic Script
1306VDI—Virtual Desktop Infrastructure
1307VDU— Visual Display Unit
1308VDM— Virtual DOS machine
1309VDSL—Very High Bitrate Digital Subscriber Line
1310VESA—Video Electronics Standards Association
1311VFAT—Virtual FAT
1312VHD — Virtual Hard Disk
1313VFS—Virtual File System
1314VG—Volume Group
1315VGA—Video Graphics Array
1316VHF—Very High Frequency
1317VLAN—Virtual Local Area Network
1318VLSM—Variable Length Subnet Mask
1319VLB—Vesa Local Bus
1320VLF—Very Low Frequency
1321VLIW—Very Long Instruction Word
1322VLSI—Very-Large-Scale Integration
1323VM—Virtual Machine
1324VM—Virtual Memory
1325VMM—Virtual Machine Monitor
1326VNC—Virtual Network Computing
1327VOD—Video On Demand
1328VoIP—Voice over Internet Protocol
1329VPN—Virtual Private Network
1330VPU—Visual Processing Unit
1331VSAM—Virtual Storage Access Method
1332VSAT—Very Small Aperture Terminal
1333VT—Video Terminal?
1334VTL— Virtual Tape Library
1335VTAM—Virtual Telecommunications Access Method
1336VRAM—Video Random Access Memory
1337W3C—World Wide Web Consortium
1338WWDC—Apple World Wide Developer Conference
1339WAFS—Wide Area File Services
1340WAI—Web Accessibility Initiative
1341WAIS—Wide Area Information Server
1342WAN—Wide Area Network
1343WAP—Wireless Access Point
1344WAP—Wireless Application Protocol
1345WASM—Watcom ASseMbler
1346WBEM—Web-Based Enterprise Management
1347WCAG—Web Content Accessibility Guidelines
1348WCF—Windows Communication Foundation
1349WDM—Wavelength-Division Multiplexing
1350WebDAV—WWW Distributed Authoring and Versioning
1351WEP—Wired Equivalent Privacy
1352WFI—Wait For Interrupt
1353WiMAX—Worldwide Interoperability for Microwave Access
1354WinFS—Windows Future Storage
1355WinRT—Windows RunTime
1356WINS—Windows Internet Name Service
1357WLAN—Wireless Local Area Network
1358WMA—Windows Media Audio
1359WMI— Windows Management Instrumentation
1360WMV—Windows Media Video
1361WNS—Windows Push Notification Service
1364WORA—Write once, run anywhere
1365WORE—Write once, run everywhere
1366WPA—Wi-Fi Protected Access
1367WPAD—Web Proxy Autodiscovery Protocol
1368WPAN—Wireless Personal Area Network
1369WPF—Windows Presentation Foundation
1370WS-D—Web Services-Discovery
1371WSDL—Web Services Description Language
1372WSFL—Web Services Flow Language
1373WUSB—Wireless Universal Serial Bus
1374WWAN—Wireless Wide Area Network
1375WWID—World Wide Identifier
1376WWN—World Wide Name
1377WWW—World Wide Web
1378WYSIWYG—What You See Is What You Get
1379WZC—Wireless Zero Configuration
1380XAG—XML Accessibility Guidelines
1381XAML—eXtensible Application Markup Language
1382XDM—X Window Display Manager
1383XDMCP—X Display Manager Control Protocol
1384XCBL—XML Common Business Library
1385XHTML—eXtensible Hypertext Markup Language
1386XILP—X Interactive ListProc
1387XML—eXtensible Markup Language
1388XMMS—X Multimedia System
1389XMPP—eXtensible Messaging and Presence Protocol
1390XMS—Extended Memory Specification
1391XNS—Xerox Network Systems
1393XP—Extreme Programming
1394XPCOM—Cross Platform Component Object Model
1396XPIDL—Cross-Platform IDL
1397XPS— XML Paper Specification
1398XSD—XML Schema Definition
1399XSL—eXtensible Stylesheet Language
1400XSL-FO—eXtensible Stylesheet Language Formatting Objects
1401XSLT—eXtensible Stylesheet Language Transformations
1402XSS—Cross-Site Scripting
1403XTF—eXtensible Tag Framework
1404XTF—eXtended Triton Format
1405XUL—XML User Interface Language
1406XVGA—Extended Video Graphics Adapter
1407Y2K—Year Two Thousand
1408YAAF—Yet Another Application Framework
1409YACC—Yet Another Compiler Compiler
1410YAML—YAML Ain’t Markup Language
1411YaST—Yet another Setup Tool
1412ZCAV—Zone Constant Angular Velocity
1413ZCS—Zero Code Suppression
1414ZIF—Zero Insertion Force
1415ZIFS—Zero Insertion Force Socket
1416ZIP—ZIP file archive
1417ZISC—Zero Instruction Set Computer
1418ZOI—Zero One Infinity
1419ZOPE—Z Object Publishing Environment
1420ZMA—Zone Multicast Address
1421ZPL—Z-level Programming Language

That’s it.

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