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…

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

Serial Number	Acronyms and Abbreviation
1	AAA—Authentication Authorization, Accounting
2	AABB—Axis Aligned Bounding Box
3	AAC—Advanced Audio Coding
4	AAL—ATM Adaptation Layer
5	AALC—ATM Adaptation Layer Connection
6	AARP—AppleTalk Address Resolution Protocol
7	ABAC—Attribute-Based Access Control
8	ABCL—Actor-Based Concurrent Language
9	ABI—Application Binary Interface
10	ABM—Asynchronous Balanced Mode
11	ABR—Area Border Router
12	ABR—Auto Baud-Rate detection
13	ABR—Available Bitrate
14	ABR—Average Bitrate
15	AC—Acoustic Coupler
16	AC—Alternating Current
17	ACD—Automatic Call Distributor
18	ACE—Advanced Computing Environment
19	ACID—Atomicity Consistency Isolation Durability
20	ACK—ACKnowledgement
21	ACK—Amsterdam Compiler Kit
22	ACL—Access Control List
23	ACL—Active Current Loop
24	ACM—Association for Computing Machinery
25	ACME—Automated Classification of Medical Entities
26	ACP—Airline Control Program
27	ACPI—Advanced Configuration and Power Interface
28	ACR—Allowed Cell Rate
29	ACR—Attenuation to Crosstalk Ratio
30	AD—Active Directory
31	AD—Administrative Domain
32	ADC—Analog-to-Digital Converter
33	ADC—Apple Display Connector
34	ADB—Apple Desktop Bus
35	ADCCP—Advanced Data Communications Control Procedures
36	ADO—ActiveX Data Objects
37	ADSL—Asymmetric Digital Subscriber Line
38	ADT—Abstract Data Type
39	AE—Adaptive Equalizer
40	AES—Advanced Encryption Standard
41	AF—Anisotropic Filtering
42	AFP—Apple Filing Protocol
43	AGP—Accelerated Graphics Port
44	AH—Active Hub
45	AI—Artificial Intelligence
46	AIX—Advanced Interactive eXecutive
47	Ajax—Asynchronous JavaScript and XML
48	AL—Active Link
49	AL—Access List
50	ALAC—Apple Lossless Audio Codec
51	ALGOL—Algorithmic Language
52	ALSA—Advanced Linux Sound Architecture
53	ALU—Arithmetic and Logical Unit
54	AM—Access Method
55	AM—Active Matrix
56	AMOLED—Active-Matrix Organic Light-Emitting Diode
57	AM—Active Monitor
58	AM—Allied Mastercomputer
59	AM—Amplitude Modulation
60	AMD—Advanced Micro Devices
61	AMQP—Advanced Message Queuing Protocol
62	AMR—Audio Modem Riser
63	ANN—Artificial Neural Network
64	ANSI—American National Standards Institute
65	ANT—Another Neat Tool
66	AoE—ATA over Ethernet
67	AOP—Aspect-Oriented Programming
68	APCI—Application-Layer Protocol Control Information
69	API—Application Programming Interface
70	APIC—Advanced Programmable Interrupt Controller
71	APIPA—Automatic Private IP Addressing
72	APL—A Programming Language
73	APR—Apache Portable Runtime
74	ARC—Adaptive Replacement Cache
75	ARC—Advanced RISC Computing
76	ARIN—American Registry for Internet Numbers
77	ARM—Advanced RISC Machines
78	AROS—AROS Research Operating System
79	ARP—Address Resolution Protocol
80	ARPA—Address and Routing Parameter Area
81	ARPA—Advanced Research Projects Agency
82	ARPANET—Advanced Research Projects Agency Network
83	AS—Access Server
84	ASCII—American Standard Code for Information Interchange
85	AuthIP—Authenticated Internet Protocol
86	ASET—Automated Security Enhancement Tool
87	ASG—Abstract Semantic Graph
88	ASIC—Application-Specific Integrated Circuit
89	ASIMO—Advanced Step in Innovative Mobility
90	ASLR—Address Space Layout Randomization
91	ASM—Algorithmic State Machine
92	ASMP—Asymmetric Multiprocessing
93	ASN.1—Abstract Syntax Notation 1
94	ASP—Active Server Pages
95	ASP—Application Service Provider
96	ASR—Asynchronous Signal Routine
97	AST—Abstract Syntax Tree
98	AT—Advanced Technology
99	AT—Access Time
100	AT—Active Terminator
101	ATA—Advanced Technology Attachment
102	ATAG—Authoring Tool Accessibility Guidelines
103	ATAPI—Advanced Technology Attachment Packet Interface
104	ATM—Asynchronous Transfer Mode
105	AuthN—Authentication
106	AuthZ—Authorization
107	AV—Antivirus
108	AVC—Advanced Video Coding
109	AVI—Audio Video Interleaved
110	AWK—Aho Weinberger Kernighan
111	AWS-Amazon Web Services
112	AWT—Abstract Window Toolkit
113	AWFL—Acronym With Four Letters
114	B2B—Business-to-Business
115	B2C—Business-to-Consumer
116	B2E—Business-to-Employee
117	BAL—Basic Assembly Language
118	BAM—Block Availability Map
119	Bash—Bourne-again shell
120	BASIC—Beginner’s All-Purpose Symbolic Instruction Code
121	BBP—Baseband Processor
122	BBS—Bulletin Board System
123	BC—Business Continuity
124	BCD—Binary Coded Decimal
125	BCD—Boot Configuration Data
126	BCNF—Boyce–Codd normal form
127	BCP-Business Continuity Planning
128	BEEP—Blocks Extensible Exchange Protocol
129	BER—Bit Error Rate
130	BFD—Bidirectional Forwarding Detection
131	BFD—Binary File Descriptor
132	BFS—Breadth-First Search
133	BFT—Byzantine Fault Tolerant
134	BGP—Border Gateway Protocol
135	BI—Business Intelligence
136	BiDi—Bi-Directional
137	bin—binary
138	BINAC—Binary Automatic Computer
139	BIND—Berkeley Internet Name Domain
140	BIOS—Basic Input Output System
141	BJT—Bipolar Junction Transistor
142	bit—binary digit
143	Blob—Binary large object
144	Blog—Web Log
145	BMP—Basic Multilingual Plane
146	BNC—Baby Neill Constant
147	BOINC—Berkeley Open Infrastructure for Network Computing
148	BOM—Byte Order Mark
149	BOOTP—Bootstrap Protocol
150	BPDU—Bridge Protocol Data Unit
151	BPEL—Business Process Execution Language
152	BPL—Broadband over Power Lines
153	BPM—Business Process Management
154	BPM—Business Process Modeling
155	bps—bits per second
156	BRM—Business Reference Model
157	BRMS—Business Rule Management System
158	BRR—Business Readiness Rating
159	BRS—Broadband Radio Service
160	BSA—Business Software Alliance
161	BSB—Backside Bus
162	BSD—Berkeley Software Distribution
163	BSoD—Blue Screen of Death
164	BSS—Block Started by Symbol
165	BT—BitTorrent
166	BT—Bluetooth
167	B TAM—Basic Telecommunications Access Method
168	BW—Bandwidth
169	BYOD—Bring Your Own Device
170	Byte—By eight (group of 8 bits)
171	CA—Computer Accountancy
172	CAD—Computer-Aided Design
173	CAE—Computer-Aided Engineering
174	CAID—Computer-Aided Industrial Design
175	CAI—Computer-Aided Instruction
176	CAM—Computer-Aided Manufacturing
177	CAP—Consistency Availability Partition tolerance (theorem)
178	CAPTCHA—Completely Automated Public Turing Test to tell Computers and Humans Apart
179	CAT—Computer-Aided Translation
180	CAQ—Computer-Aided Quality Assurance
181	CASE—Computer-Aided Software Engineering
182	cc—C Compiler
183	CD—Compact Disc
184	CDE—Common Desktop Environment
185	CDFS—Compact Disk File System
186	CDMA—Code Division Multiple Access
187	CDN—Content Delivery Network
188	CDP—Cisco Discovery Protocol
189	CDP—Continuous Data Protection
190	CD-R—CD-Recordable
191	CD-ROM—CD Read-Only Memory
192	CD-RW—CD-Rewritable
193	CDSA—Common Data Security Architecture
194	CERT—Computer Emergency Response Team
195	CES—Consumer Electronics Show
196	CF—Compact Flash
197	CFD—Computational Fluid Dynamics
198	CFG—Context-Free Grammar
199	CFG—Control Flow Graph
200	CG—Computer Graphics
201	CGA—Color Graphics Array
202	CGI—Common Gateway Interface
203	CGI—Computer-Generated Imagery
204	CGT—Computational Graph Theory
205	CHAP—Challenge-Handshake Authentication Protocol
206	CHS—Cylinder-Head-Sector
207	CIDR—Classless Inter-Domain Routing
208	CIFS—Common Internet Filesystem
209	CIM—Common Information Model
210	CIM—Computationally Independent Model
211	CIO—Chief Information Officer
212	CIR—Committed information rate
213	CISC—Complex Instruction Set Computer
214	CJK—Chinese, Japanese, and Korean
215	CJKV—Chinese, Japanese, Korean, and Vietnamese
216	CLI—Command Line Interface
217	CLR—Common Language Runtime
218	CM—Configuration Management
219	CM—Content Management
220	CMDB—Configuration Management Database
221	CMMI—Capability Maturity Model Integration
222	CMOS—Complementary Metal-Oxide Semiconductor
223	CMO—Current Mode of Operation
224	CMS—Content Management System
225	CN—Canonical Name
226	CN—Common Name
227	CNC—Computer Numerical Control
228	CNG—Cryptographic Next Generation
229	CNG—Cryptography Next Generation
230	CNR—Communications and Networking Riser
231	COBOL—Common Business-Oriented Language
232	COM—Component Object Model or communication
233	CORBA—Common Object Request Broker Architecture
234	COTS—Commercial Off-The-Shelf
235	CPA—Cell Processor Architecture
236	CPAN—Comprehensive Perl Archive Network
237	CP/M—Control Program/Monitor
238	CPRI—Common Public Radio Interface
239	CPS—characters per second
240	CPU—Central Processing Unit
241	CR—Carriage Return
242	CRAN—Comprehensive R Archive Network
243	CRC—Cyclic Redundancy Check
244	CRLF—Carriage Return Line Feeds
245	CRM—Customer Relationship Management
246	CRS—Computer Reservations System
247	CRT—Cathode Ray Tube
248	CRUD—Create, Read, Update and Delete
249	CS—Cable Select
250	CS—Computer Science
251	CSE—Computer Science and Engineering
252	CSI—Common System Interface
253	CSM—Compatibility Support Module
254	CSMA/CD—Carrier sense multiple access with collision detection
255	CSP—Cloud Service Provider
256	CSP—Communicating Sequential Processes
257	CSRF—Cross-Site Request Forgery
258	CSS—Cascading Style Sheets
259	CSS—Content-Scrambling System
260	CSS—Closed Source Software
261	CSS—Cross-Site Scripting
262	CSV—Comma-Separated Values
263	CT—Computerized Tomography
264	CTAN—Comprehensive TeX Archive Network
265	CTCP—Client-To-Client Protocol
266	CTI—Computer Telephony Integration
267	CTFE—Compile Time Function Execution
268	CTL—Computational Tree Logic
269	CTM—Close To Metal
270	CTS—Clear To Send
271	CTSS—Compatible Time-Sharing System
272	CUA—Common User Access
273	Concurrent Versions System—Concurrent Versioning System|CVS
274	CVS—Concurrent Versioning System
275	CX—Customer Experience
276	DAC—Digital-To-Analog Converter
277	DAC—Discretionary Access Control
278	DAL—Database Abstraction Layer
279	DAO—Data Access Object
280	DAO—Data Access Objects
281	DAO—Disk-At-Once
282	DAP—Directory Access Protocol
283	DAR-Direct Access Recovery
284	DARPA—Defense Advanced Research Projects Agency
285	DAS- Direct Attached Storage
286	DAT—Digital Audio Tape
287	DB—Database
288	DSKT-Desktop
289	DBA—Database Administrator
290	DBCS—Double Byte Character Set
291	DBMS—Database Management System
292	DCC—Direct Client-to-Client
293	DCCP—Datagram Congestion Control Protocol
294	DCCA—Debian Common Core Alliance
295	DCL—Data Control Language
296	DCS—Distributed Control System
297	DCMI—Dublin Core Metadata Initiative
298	DCOM—Distributed Component Object Model
299	DD—Double Density
300	DDE—Dynamic Data Exchange
301	DDI—DNS DHCP & IP Address management
302	DDL—Data Definition Language
303	DDoS—Distributed Denial of Service
304	DDR—Double Data Rate
305	DEC—Digital Equipment Corporation
306	DES—Data Encryption Standard
307	dev—development
308	DFA—Deterministic Finite Automaton
309	DFD—Data Flow Diagram
310	DFS—Depth-First Search
311	DFS—Distributed File System
312	DGD—Dworkin’s Game Driver
313	DHCP—Dynamic Host Configuration Protocol
314	DHTML—Dynamic Hypertext Markup Language
315	DIF—Data Integrity Field
316	DIMM—Dual Inline Memory Module
317	DIN—Deutsches Institut für Normung
318	DIP—Dual In-line Package
319	DISM—Deployment Image and Service Management Tool
320	DIVX—Digital Video Express
321	DKIM—Domain Keys Identified Mail
322	DL—Download
323	DLL—Dynamic Link Library
324	DLNA—Digital Living Network Alliance
325	DLP—Data loss protection
326	DMA—Direct Memory Access
327	DMCA—Digital Millennium Copyright Act
328	DMI—Direct Media Interface
329	DML—Data Manipulation Language
330	DML—Definitive Media Library
331	DMR—Dennis M. Ritchie
332	DMZ—Demilitarized Zone
333	DN—Distinguished Name
334	DND—Drag-and-Drop
335	DNS—Domain Name System
336	DOA—Dead on Arrival
337	DOCSIS—Data Over Cable Service Interface Specification
338	DOM—Document Object Model
339	DoS—Denial of Service
340	DOS—Disk Operating System
341	DP—Dot Pitch
342	DPC—Deferred Procedure Call
343	DPI—Deep Packet Inspection
344	DPI—Dots Per Inch
345	DPMI—DOS Protected Mode Interface
346	DPMS—Display Power Management Signaling
347	DR—Disaster Recovery
348	DRAM—Dynamic Random-Access Memory
349	DR-DOS—Digital Research – Disk Operating System
350	DRI—Direct Rendering Infrastructure
351	DRM—Digital Rights Management
352	DRM—Direct Rendering Manager
353	DSA—Digital Signature Algorithm
354	DSDL—Document Schema Definition Languages
355	DSDM—Dynamic Systems Development Method
356	DSL—Digital Subscriber Line
357	DSL—Domain-Specific Language
358	DSLAM—Digital Subscriber Line Access Multiplexer
359	DSN—Database Source Name
360	DSN—Data Set Name
361	DSP—Digital Signal Processor
362	DSSSL—Document Style Semantics and Specification Language
363	DTD—Document Type Definition
364	DTE—Data Terminal Equipment or data transfer rate
365	DTP—Desktop Publishing
366	DTR—Data Terminal Ready or Data transfer rate
367	DVD—Digital Versatile Disc
368	DVD-R—DVD-Recordable
369	DVD-ROM—DVD-Read Only Memory
370	DVD-RW—DVD-Rewritable
371	DVI—Digital Visual Interface
372	DVR—Digital Video Recorder
373	DW—Data Warehouse
374	EAI—Enterprise Application Integration
375	EAP—Extensible Authentication Protocol
376	EAS—Exchange ActiveSync
377	EBCDIC—Extended Binary Coded Decimal Interchange Code
378	EBML—Extensible Binary Meta Language
379	ECC—Elliptic Curve Cryptography
380	ECMA—European Computer Manufacturers Association
381	ECN—Explicit Congestion Notification
382	ECOS—Embedded Configurable Operating System
383	ECRS—Expense and Cost Recovery System
384	EDA—Electronic Design Automation
385	EDGE— Enhanced Data rates for GSM Evolution
386	EDI—Electronic Data Interchange
387	EDO—Extended Data Out
388	EDSAC—Electronic Delay Storage Automatic Calculator
389	EDVAC—Electronic Discrete Variable Automatic Computer
390	EEPROM—Electronically Erasable Programmable Read-Only Memory
391	EFF—Electronic Frontier Foundation
392	EFI—Extensible Firmware Interface
393	EFM—Eight-to-Fourteen Modulation
394	EFM—Ethernet in the First Mile
395	EFS—Encrypting File System
396	EGA—Enhanced Graphics Array
397	E-mail—Electronic mail
398	EGP—Exterior Gateway Protocol
399	eID—electronic ID card
400	EIDE—Enhanced IDE
401	EIGRP—Enhanced Interior Gateway Routing Protocol
402	EISA—Extended Industry Standard Architecture
403	ELF—Extremely Low Frequency
404	ELF—Executable and Linkable Format
405	ELM—ELectronic Mail
406	EMACS—Editor MACroS
407	EMS—Expanded Memory Specification
408	ENIAC—Electronic Numerical Integrator And Computer
409	EOD—End of Day
410	EOF—End of File
411	EOL—End of Line
412	EOM—End Of Message
413	EOS—End OF Support
414	EPIC—Explicitly Parallel Instruction Computing
415	EPROM—Erasable Programmable Read-Only Memory
416	ERD—Entity-Relationship Diagram
417	ERM—Entity-Relationship Model
418	ERP—Enterprise Resource Planning
419	eSATA—external SATA
420	ESB—Enterprise service bus
421	ESCON—Enterprise Systems Connection
422	ESD—Electrostatic Discharge
423	ESI—Electronically Stored Information
424	ESR—Eric Steven Raymond
425	ETL—Extract, Transform, Load
426	ETW—Event Tracing for Windows
427	EUC—Extended Unix Code
428	EULA—End User License Agreement
429	EWM—Enterprise Work Management
430	EWMH—Extended Window Manager Hints
431	EXT—EXTended file system
432	ETA—Estimated Time of Arrival
433	FAP—FORTRAN Assembly Program
434	FASM—Flat ASseMbler
435	FAT—File Allocation Table
436	FAQ—Frequently Asked Questions
437	FBDIMM—Fully Buffered Dual Inline Memory Module
438	FC-AL—Fibre Channel Arbitrated Loop
439	FCB—File Control Block
440	FCS—Frame Check Sequence
441	FDC—Floppy Disk Controller
442	FDS—Fedora Directory Server
443	FDD—Frequency-Division Duplexing
444	FDD—Floppy Disk Drive
445	FDDI—Fiber Distributed Data Interface
446	FDM—Frequency-Division Multiplexing
447	FDMA—Frequency-Division Multiple Access
448	FEC—Forward Error Correction
449	FEMB—Front-End Motherboard
450	FET—Field Effect Transistor
451	FHS—Filesystem Hierarchy Standard
452	FICON—FIber CONnectivity
453	FIFO—First In First Out
454	FIPS—Federal Information Processing Standards
455	FL—Function Level
456	FLAC—Free Lossless Audio Codec
457	FLOPS—FLoating-Point Operations Per Second
458	FLOSS—Free/Libre/Open Source Software
459	FMC— Fixed Mobile Convergence “Mobile UC or Unified Communications over Wireless”
460	FMO—Future Mode of Operation
461	FOLDOC—Free On-line Dictionary of Computing
462	FOSDEM—Free and Open source Software Developers’ European Meeting
463	FOSI—Formatted Output Specification Instance
464	FOSS—Free and Open Source Software
465	FP—Function Programming
466	FPGA—Field Programmable Gate Array
467	FPS—Floating Point Systems
468	FPU—Floating Point Unit
469	FRU—Field Replaceable Unit
470	FS—File System
471	FSB—Front Side Bus
472	fsck—File System Check
473	FSF—Free Software Foundation
474	FSM—Finite State Machine
475	FTTA—Fiber To The Antenna
476	FTTC—Fiber To The Curb
477	FTTH—Fiber To The Home
478	FTTP—Fiber To The Premises
479	FTP—File Transfer Protocol
480	FQDN—Fully Qualified Domain Name
481	FUD—Fear Uncertainty Doubt
482	FWS—Folding White Space
483	FXP—File eXchange Protocol
484	FYI—For Your Information
485	FVEK—Full Volume Encryption Key
486	G11N—Globalization
487	Gas—GNU Assembler
488	Gb—Gigabit
489	GB—Gigabyte
490	GCC—GNU Compiler Collection
491	GCJ—GNU Compiler for Java
492	GCP-Google Cloud Platform
493	GCR—Group Coded Recording
494	GDB—GNU Debugger
495	GDI—Graphics Device Interface
496	GFDL—GNU Free Documentation License
497	GIF—Graphics Interchange Format
498	GIGO—Garbage In, Garbage Out
499	GIMP—GNU Image Manipulation Program
500	GIMPS—Great Internet Mersenne Prime Search
501	GIS—Geographic Information System
502	GLUT—OpenGL Utility Toolkit
503	GML—Geography Markup Language
504	GNOME—GNU Network Object Model Environment
505	GNU—GNU’s Not Unix
506	GOMS—Goals, Operators, Methods, and Selection rules
507	GPASM—GNU PIC ASseMbler
508	GPFS—General Parallel File System
509	GPG—GNU Privacy Guard
510	GPGPU—General-Purpose Computing on Graphics Processing Units
511	GPIB—General-Purpose Instrumentation Bus
512	GPL—General Public License
513	GPL—General-Purpose Language
514	GPRS—General Packet Radio Service
515	GPT—GUID Partition Table
516	GPU—Graphics Processing Unit
517	GRUB—Grand Unified Boot-Loader
518	GERAN—GSM EDGE Radio Access Network
519	GSM—Global System for Mobile Communications
520	GTK+—GIMP Toolkit
521	GUI—Graphical User Interface
522	GUID—Globally Unique IDentifier
523	GWT—Google Web Toolkit
524	GYR—IT Networking
525	HA—High Availability
526	HAL—Hardware Abstraction Layer
527	HARD—HTML Application Rapid Development
528	HASP—Houston Automatic Spooling Priority
529	HBA—Host Bus Adapter
530	HCI—Human Computer Interaction
531	HD—High Density
532	HDD—Hard Disk Drive
533	HCL—Hardware Compatibility List
534	HD DVD—High Definition DVD
535	HDL—Hardware Description Language
536	HDMI—High-Definition Multimedia Interface
537	HECI—Host Embedded Controller Interface
538	HF—High Frequency
539	HFS—Hierarchical File System
540	HHD—Hybrid Hard Drive
541	HID—Human Interface Device
542	HIG—Human Interface Guidelines
543	HIRD—Hurd of Interfaces Representing Depth
544	HLASM—High Level ASseMbler
545	HLS—HTTP Live Streaming
546	HMA—High Memory Area
547	HP—Hewlett-Packard
548	HPC—High-Performance Computing
549	HPFS—High Performance File System
550	HSDPA—High-Speed Downlink Packet Access
551	HTC—High-Throughput Computing
552	HSM—Hierarchical Storage Management
553	HT—Hyper Threading
554	HTM—Hierarchical Temporal Memory
555	HTML—Hypertext Markup Language
556	HTTP—Hypertext Transfer Protocol
557	HTTPd—Hypertext Transport Protocol Daemon
558	HTTPS—HTTP Secure
559	HTX—HyperTransport eXpansion
560	HURD—Hird of Unix-Replacing Daemons
561	HVD—Holographic Versatile Disc
562	Hz—Hertz
563	I²C—Inter-Integrated Circuit
564	I²S—Integrated Interchip Sound
565	I18N—Internationalization
566	IANA—Internet Assigned Numbers Authority
567	IaaS—Infrastructure as a Service
568	iBCS—Intel Binary Compatibility Standard
569	IBM—International Business Machines
570	IC—Integrated Circuit
571	ICANN—Internet Corporation for Assigned Names and Numbers
572	ICE—In-Circuit Emulator
573	ICE—Intrusion Countermeasure Electronics
574	ICH—I/O Controller Hub
575	ICMP—Internet Control Message Protocol
576	ICP—Internet Cache Protocol
577	ICS—Internet Connection Sharing
578	ICT—Information and Communication Technology
579	IDE—Integrated Development Environment
580	IDE—Integrated Drive Electronics
581	IDF—Intermediate Distribution Frame
582	IDF—Intermediate Data Format
583	IDL—Interactive Data Language
584	IDL—Interface Definition Language
585	IDS—Intrusion Detection System
586	IE—Internet Explorer
587	IEC—International Electrotechnical Commission
588	IEEE—Institute of Electrical and Electronics Engineers
589	IETF—Internet Engineering Task Force
590	IFGICT—International Federation of Global & Green ICT
591	IFL—Integrated Facility for Linux
592	IGMP—Internet Group Management Protocol
593	IGRP—Interior Gateway Routing Protocol
594	IHV—Independent Hardware Vendor
595	IIOP—Internet Inter-Orb Protocol
596	IIS—Internet Information Services
597	IKE—Internet Key Exchange
598	IL—Intermediate Language
599	IM—Instant Messaging
600	IMAP—Internet Message Access Protocol
601	IME—Input Method Editor
602	IMR—Internet Monthly Report
603	INFOSEC—Information Systems Security
604	I/O—Input/output
605	IoT—Internet of Things
606	IP—Intellectual Property
607	IP—Internet Protocol
608	IPAM—IP Address Management
609	IPC—Inter-Process Communication
610	IPL—Initial Program Load
611	IPMI—Intelligent Platform Management Interface
612	IPO—Inter Procedural Optimization
613	IPP—Internet Printing Protocol
614	IPS—In-Plane Switching
615	IPS—Instructions Per Second
616	IPS—Intrusion Prevention System
617	IPsec—Internet Protocol security
618	IPTV—Internet Protocol Television
619	IPv4—Internet Protocol version 4
620	IPv6—Internet Protocol version 6
621	IPX—Internetwork Packet Exchange
622	IR—Intermediate Representation
623	IRC—Internet Relay Chat
624	IrDA—Infrared Data Association
625	IRI—Internationalized Resource Identifier
626	IRP—I/O Request Packet
627	IRQ—Interrupt Request
628	IS—Information Systems
629	IS-IS—Intermediate System to Intermediate System
630	ISA—Industry Standard Architecture
631	ISA—Instruction Set Architecture
632	ISAM—Indexed Sequential Access Method
633	ISATAP—Intra-Site Automatic Tunnel Addressing Protocol
634	ISC—Internet Storm Center
635	iSCSI—Internet Small Computer System Interface
636	ISDN—Integrated Services Digital Network
637	ISO—International Organization for Standardization
638	iSNS—Internet Storage Name Service
639	ISP—Internet Service Provider
640	ISPF—Interactive System Productivity Facility
641	ISR—Interrupt Service Routine
642	ISV—Independent Software Vendor
643	IT—Information Technology
644	ITIL—Information Technology Infrastructure Library
645	ITL—Interval Temporal Logic
646	ITU—International Telecommunication Union
647	IVRS—Interactive Voice Response System
648	IVCR—Interactive Virtual Classroom
649	J2EE—Java 2 Enterprise Edition
650	J2ME—Java 2 Micro Edition
651	J2SE—Java 2 Standard Edition
652	JAXB—Java Architecture for XML Binding
653	JAX-RPC—Java XML for Remote Procedure Calls
654	JAXP—Java API for XML Processing
655	JBOD—Just a Bunch of Disks
656	JCE— Java Cryptography Extension
657	JCL—Job Control Language
658	JCP—Java Community Process
659	JDBC—Java Database Connectivity
660	JDK—Java Development Kit
661	JEE—Java Enterprise Edition
662	JES—Job Entry Subsystem
663	JDS—Java Desktop System
664	JFC—Java Foundation Classes
665	JFET—Junction Field-Effect Transistor
666	JFS—IBM Journaling File System
667	JINI—Jini Is Not Initials
668	JIT—Just-In-Time
669	JME—Java Micro Edition
670	JMX—Java Management Extensions
671	JMS—Java Message Service
672	JNDI—Java Naming and Directory Interface
673	JNI—Java Native Interface
674	JNZ—Jump non-zero
675	JPEG—Joint Photographic Experts Group
676	JRE—Java Runtime Environment
677	JS—JavaScript
678	JSE—Java Standard Edition
679	JSON—JavaScript Object Notation
680	JSP—Jackson Structured Programming
681	JSP—JavaServer Pages
682	JTAG—Joint Test Action Group
683	JVM—Java Virtual Machine
684	K&R—Kernighan and Ritchie
685	KB—Keyboard
686	Kb—Kilobit
687	KB—Kilobyte
688	KB—Knowledge Base
689	KiB—Kibibyte
690	KDE—K Desktop Environment
691	kHz—Kilohertz
692	KM—Knowledge Machine
693	KRL—Knowledge Representation Language
694	KVM—Keyboard, Video, Mouse
695	L10N—Localization
696	L2TP—Layer two Tunneling Protocol
697	LACP—Link Aggregation Control Protocol
698	LAMP—Linux Apache MySQL Perl
699	LAMP—Linux Apache MySQL PHP
700	LAMP—Linux Apache MySQL Python
701	LAN—Local Area Network
702	LBA—Logical Block Addressing
703	LB—Load Balancer
704	LCD—Liquid Crystal Display
705	LCR—Least Cost Routing
706	LCOS—Liquid Crystal On Silicon
707	LDAP—Lightweight Directory Access Protocol
708	LE—Logical Extents
709	LED—Light-Emitting Diode
710	LF—Line Feed
711	LF—Low Frequency
712	LFS—Linux From Scratch
713	LGPL—Lesser General Public License
714	LIB—LIBrary
715	LIF—Low Insertion Force
716	LIFO—Last In First Out
717	LILO—Linux Loader
718	LIP—Loop Initialization Primitive
719	LISP—LISt Processing
720	LKML—Linux Kernel Mailing List
721	LM—Lan Manager
722	LOC—Lines of Code
723	LPC—Lars Pensjö C
724	LPI—Linux Professional Institute
725	LPT— Line Print Terminal
726	LRU—Least Recently Used
727	LSB—Least Significant Bit
728	LSB—Linux Standard Base
729	LSI—Large-Scale Integration
730	LTE—Long Term Evolution
731	LTL—Linear Temporal Logic
732	LTR—Left-to-Right
733	LUG—Linux User Group
734	LUN—Logical Unit Number
735	LV—Logical Volume
736	LVD—Low Voltage Differential
737	LVM—Logical Volume Management
738	LZW—Lempel-Ziv-Welch
739	LGA—Land Grid Array
740	MAC—Mandatory Access
741	MAC—Media Access Control
742	MANET—Mobile Ad-Hoc Network
743	MAN—Metropolitan Area Network
744	MAPI—Messaging Application Programming Interface
745	MBCS—Multi Byte Character Set
746	MBD—Model-Based Design
747	MBR—Master Boot Record
748	Mb—Megabit
749	MB—Megabyte
750	MCAD—Microsoft Certified Application Developer
751	MCAS—Microsoft Certified Application Specialist
752	MCA—Micro Channel Architecture
753	MCA—Microsoft Certified Architect
754	MCDBA—Microsoft Certified DataBase Administrator
755	MCDST—Microsoft Certified Desktop Support Technician
756	MCITP—Microsoft Certified Information Technology Professional
757	MCM—Microsoft Certified Master
758	MCPC—Multiple Channels Per Carrier
759	MCPD—Microsoft Certified Professional Developer
760	MCP—Microsoft Certified Professional
761	MCSA—Microsoft Certified Systems Administrator
762	MCSD—Microsoft Certified Solution Developer
763	MCSE—Microsoft Certified Systems Engineer
764	MCTS—Microsoft Certified Technology Specialist
765	MCT—Microsoft Certified Trainer
766	MDA—Monochrome Display Adapter
767	MDA—Mail Delivery Agent
768	MDA—Model-Driven Architecture
769	MDD/MDSD—Model-Driven (Software) Development
770	MDF—Main Distribution Frame
771	MDI—Multiple Document Interface
772	MDM-Master Data Management
773	ME—Microsoft Edge
774	ME—[Windows] Millennium Edition
775	MFC—Microsoft Foundation Classes
776	MFM—Modified Frequency Modulation
777	MF—Medium Frequency
778	MGCP—Media Gateway Control Protocol
779	MHz—Megahertz
780	MIB—Management Information Base
781	MICR—Magnetic Ink Character Recognition
782	MIDI—Musical Instrument Digital Interface
783	MIMD—Multiple Instruction, Multiple Data
784	MIME—Multipurpose Internet Mail Extensions
785	MIMO—Multiple-Input Multiple-Output
786	MINIX—MIni-uNIX
787	MIPS—Microprocessor without Interlocked Pipeline Stages
788	MIPS—Million Instructions Per Second
789	MISD—Multiple Instruction, Single Data
790	MIS—Management Information Systems
791	MIT—Massachusetts Institute of Technology
792	ML-Machine Learning
793	MMC— Microsoft Management Console
794	MMDS—Mortality Medical Data System
795	MMDS—Multichannel Multipoint Distribution Service
796	MMF—Multi-Mode (optical) Fiber
797	MMIO—Memory-Mapped I/O
798	MMI—Man Machine Interface.
799	MMORPG—Massively Multiplayer Online Role-Playing Game
800	MMU—Memory Management Unit
801	MMX—Multi-Media Extensions
802	MNG—Multiple-image Network Graphics
803	MoBo—Motherboard
804	MOM—Message-Oriented Middleware
805	MOO—MUD Object Oriented
806	MOP—Meta-Object Protocol
807	MOSFET—Metal-Oxide Semiconductor Field Effect Transistor
808	MOS—Microsoft Office Specialist
809	MOTD—Message Of The Day
810	MOUS—Microsoft Office User Specialist
811	MOV—Apple QuickTime Multimedia File
812	MPAA—Motion Picture Association of America
813	MPEG—Motion Pictures Experts Group
814	MPLS—Multiprotocol Label Switching
815	MPL—Mozilla Public License
816	MPU—Microprocessor Unit
817	MS-DOS—Microsoft DOS
818	MSA—Mail Submission Agent
819	MSB—Most Significant Bit
820	MSDN—Microsoft Developer Network
821	MSI—Medium-Scale Integration
822	MSI—Message Signaled Interrupt
823	MSI—Microsoft Installer
824	MSN—Microsoft Network
825	MS—Microsoft
826	MS—Memory Stick
827	MTA—Mail Transfer Agent
828	MTA—Microsoft Technology Associate
829	MTBF—Mean Time Between Failures
830	MTU—Maximum Transmission Unit
831	MT—Machine Translation
832	MUA—Mail User Agent
833	MUD—Multi-User Dungeon
834	MU-Memory Unit
835	MVC—Model-View-Controller
836	MVP—Most Valuable Professional
837	MVS—Multiple Virtual Storage
838	MWC—Mobile World Congress
839	MXF—Material Exchange Format
840	MX—Mail exchange
841	NACK—Negative ACKnowledgement
842	NAK—Negative AcKnowledge Character
843	NaN—Not a Number
844	NAP—Network Access Protection
845	NAS—Network-Attached Storage
846	NASM—Netwide ASseMbler
847	NAT—Network Address Translation
848	NCP—NetWare Core Protocol
849	NCQ—Native Command Queuing
850	NCSA—National Center for Supercomputing Applications
851	NDIS—Network Driver Interface Specification
852	NDPS—Novell Distributed Print Services
853	NDS—Novell Directory Services
854	NEP—Network Equipment Provider
855	NetBIOS—Network Basic Input/Output System
856	NetBT—NetBIOS over TCP/IP
857	NEXT—Near-End CrossTalk
858	NFA—Nondeterministic Finite Automaton
859	NFC—Near field communication
860	NFS—Network File System
861	NGL—aNGeL
862	NGSCB—Next-Generation Secure Computing Base
863	NI—National Instruments
864	NIC—Network Interface Controller
865	NIM—No Internal Message
866	NIO—Non-blocking I/O
867	NIST—National Institute of Standards and Technology
868	NLP—Natural Language Processing
869	NLS—Native Language Support
870	NMI—Non-Maskable Interrupt
871	NNTP—Network News Transfer Protocol
872	NOC—Network Operations Center
873	NOP—No OPeration
874	NOS—Network Operating System
875	NP—Nondeterministic Polynomial time
876	NPL—Netscape Public License
877	NPTL—Native POSIX Thread Library
878	NPU—Network Processing Unit
879	NS—Netscape
880	NSA—Network Security Appliance
881	NSI—Network Service Interface
882	NSPR—Netscape Portable Runtime
883	NSS—Novell Storage Service
884	NSS—Network Security Services
885	NSS—Name Service Switch
886	NT—New Technology
887	NTFS—NT Filesystem
888	NTLM—NT Lan Manager
889	NTP—Network Time Protocol
890	NUMA—Non-Uniform Memory Access
891	NURBS—Non-Uniform Rational B-Spline
892	NVR—Network Video Recorder
893	NVRAM—Non-Volatile Random Access Memory
894	OASIS—Organization for the Advancement of Structured Information Standards
895	OAT—Operational Acceptance Testing
896	OBSAI—Open Base Station Architecture Initiative
897	ODBC—Open Database Connectivity
898	OEM—Original Equipment Manufacturer
899	OES—Open Enterprise Server
900	OFDM—Orthogonal Frequency Division Multiplexing
901	OFTC—Open and Free Technology Community
902	OID—Object Identifier
903	OLAP—Online Analytical Processing
904	OLE—Object Linking and Embedding
905	OLED—Organic Light Emitting Diode
906	OLPC—One Laptop per Child
907	OLTP—Online Transaction Processing
908	OMF—Object Module Format
909	OMG—Object Management Group
910	OMR—Optical Mark Reader
911	OO—Object-Oriented
912	OO—OpenOffice
913	OOE—Out-of-Order Execution
914	OOM—Out Of Memory
915	OOo—OpenOffice.org
916	OoOE—Out-of-Order Execution
917	OOP—Object-Oriented Programming
918	OOTB—Out of the box
919	OPML—Outline Processor Markup Language
920	ORB—Object Request Broker
921	ORM—Object-Relational Mapping
922	OS—Open Source
923	OS—Operating System
924	OSCON—O’Reilly Open Source CONvention
925	OSDN—Open Source Development Network
926	OSI—Open Source Initiative
927	OSI—Open Systems Interconnection
928	OSPF—Open Shortest Path First
929	OSS—Open Sound System
930	OSS—Open-Source Software
931	OSS—Operations Support System
932	OSTG—Open Source Technology Group
933	OUI—Organisationally Unique Identifier
934	P2P—Peer-To-Peer
935	PaaS—Platform as a Service
936	PAN—Personal Area Network
937	PAP—Password Authentication Protocol
938	PARC—Palo Alto Research Center
939	PATA—Parallel ATA
940	PBS—Portable Batch System
941	PC—Personal Computer
942	PCB—Printed Circuit Board
943	PCB—Process Control Block
944	PC DOS—Personal Computer Disc Operating System
945	PCI—Peripheral Component Interconnect
946	PCIe—PCI Express
947	PCI-X—PCI Extended
948	PCL—Printer Command Language
949	PCMCIA—Personal Computer Memory Card International Association
950	PCM—Pulse-Code Modulation
951	PCRE—Perl Compatible Regular Expressions
952	PD—Public Domain
953	PDA—Personal Digital Assistant
954	PDF—Portable Document Format
955	PDH—Plesiochronous Digital Hierarchy
956	PDP—Programmed Data Processor
957	PE—Physical Extents
958	PERL—Practical Extraction and Reporting Language
959	PFA—Please Find Attachment
960	PG—Peripheral Gateway
961	PGA—Pin Grid Array
962	PGA—Programmable Gate Array
963	PGO—Profile-Guided Optimization
964	PGP—Pretty Good Privacy
965	PHP—Hypertext Preprocessor
966	PIC—Peripheral Interface Controller
967	PIC—Programmable Interrupt Controller
968	PID—Proportional-Integral-Derivative
969	PID—Process ID
970	PIM—Personal Information Manager
971	PINE—Program for Internet News and Email
972	PIM—Platform Independent Model
973	PIO—Programmed Input/Output
974	PKCS—Public Key Cryptography Standards
975	PKI—Public Key Infrastructure
976	PLC—Power Line Communication
977	PLC—Programmable Logic Controller
978	PLD—Programmable Logic Device
979	PL/I—Programming Language One
980	PL/M—Programming Language for Microcomputers
981	PL/P—Programming Language for Prime
982	PLT—Power Line Telecommunications
983	PMM—POST Memory Manager
984	PNG—Portable Network Graphics
985	PnP—Plug-and-Play
986	PNRP—Peer Name Resolution Protocol
987	PoE—Power over Ethernet
988	POID—Persistent Object Identifier
989	POJO—Plain Old Java Object
990	POP—Point of Presence
991	POP3—Post Office Protocol v3
992	POSIX—Portable Operating System Interface, formerly IEEE-IX
993	POST—Power-On Self Test
994	PPC—PowerPC
995	PPI—Pixels Per Inch
996	PPP—Point-to-Point Protocol
997	PPPoA—PPP over ATM
998	PPPoE—PPP over Ethernet
999	PPTP—Point-to-Point Tunneling Protocol
1000	PR—Pull Request
1001	PS—PostScript
1002	PS/2—Personal System/2
1003	PSA—Professional Services Automation
1004	PSM—Platform Specific Model
1005	PSU—Power Supply Unit
1006	PSVI—Post-Schema-Validation Infoset
1007	PTS-DOS—PhysTechSoft – Disk Operating System
1008	PV—Physical Volume
1009	PVG—Physical Volume Group
1010	PVR—Personal Video Recorder
1011	PXE—Preboot Execution Environment
1012	PXI—PCI eXtensions for Instrumentation
1013	QDR—Quad Data Rate
1014	QA—Quality Assurance
1015	QFP—Quad Flat Package
1016	QoS—Quality of Service
1017	QOTD—Quote of the Day
1018	Qt—Quasar Toolkit
1019	QTAM—Queued Teleprocessing Access Method
1020	QSOP—Quarter Small Outline Package
1021	qWave—Quality Windows Audio/Video Experience
1022	RACF—Resource Access Control Facility
1023	RAD—Rapid Application Development
1024	RADIUS—Remote Authentication Dial In User Service
1025	RAID—Redundant Array of Independent Disks
1026	RAII—Resource Acquisition Is Initialization
1027	RAIT—Redundant Array of Inexpensive Tapes
1028	RAM—Random Access Memory
1029	RARP—Reverse Address Resolution Protocol
1030	RAS—Reliability, Availability and Serviceability
1031	RAS—Remote access service
1032	RC—Region Code
1033	RC—Release Candidate
1034	RC—Run Commands
1035	RCA—Root Cause Analysis
1036	RCS—Revision Control System
1037	RD—Remote Desktop
1038	rd—remove directory
1039	RDBMS—Relational Database Management System
1040	RDC—Remote Desktop Connection
1041	RDF—Resource Description Framework
1042	RDM—Relational Data Model
1043	RDOS—Real-time Disk Operating System
1044	RDP— Remote Desktop Protocol
1045	RDS—Remote Data Services
1046	REFAL—Recursive Functions Algorithmic Language
1047	REP—RAID Error Propagation
1048	REST—Representational State Transfer
1049	regex—Regular Expression
1050	regexp—Regular Expression
1051	RF—Radio Frequency
1052	RFC—Request For Comments
1053	RFI—Radio Frequency Interference
1054	RFID—Radio Frequency Identification
1055	RGB—Red, Green, Blue
1056	RGBA—Red, Green, Blue, Alpha
1057	RHL—Red Hat Linux
1058	RHEL—Red Hat Enterprise Linux
1059	RIA—Rich Internet Application
1060	RIAA—Recording Industry Association of America
1061	RIP—Raster Image Processor
1062	RIP—Routing Information Protocol
1063	RIR—Regional Internet registry
1064	RISC—Reduced Instruction Set Computer
1065	RISC OS—Reduced Instruction Set Computer Operating System
1066	RJE—Remote Job Entry
1067	RLE—Run-Length Encoding
1068	RLL—Run-Length Limited
1069	rmdir—remove directory
1070	RMI—Remote Method Invocation
1071	RMS—Richard Matthew Stallman
1072	ROM—Read Only Memory
1073	ROMB—Read-Out Motherboard
1074	ROM-DOS—Read Only Memory – Disk Operating System
1075	RPA-Robotic Process Automation
1076	RPC—Remote Procedure Call
1077	RPG—Report Program Generator
1078	RPM—RPM Package Manager
1079	RRAS—Routing and Remote Access Service
1080	RSA—Rivest Shamir Adleman
1081	RSI—Repetitive Strain Injury
1082	RSS—Radio Service Software
1083	RSS—Rich Site Summary, RDF Site Summary, or Really Simple Syndication
1084	RTAI—Real-Time Application Interface
1085	RTC—Real-Time Clock
1086	RTE—Real-Time Enterprise
1087	RTEMS—Real-Time Executive for Multiprocessor Systems
1088	RTL—Right-to-Left
1089	RTMP—Real Time Messaging Protocol
1090	RTOS—Real-Time Operating System
1091	RTP—Real-time Transport Protocol
1092	RTS—Ready To Send
1093	RTSP—Real Time Streaming Protocol
1094	RTTI—Run-time Type Information
1095	RWD—Responsive Web Design
1096	SaaS—Software as a Service
1097	SASS—Syntatically Awesome Style Sheets
1098	SAM— Security Account Manager
1099	SAN—Storage Area Network
1100	SAS—Serial attached SCSI
1101	SATA—Serial ATA
1102	SAX—Simple API for XML
1103	SBOD—Spinning Beachball of Death
1104	SBP-2—Serial Bus Protocol 2
1105	sbin—superuser binary
1106	sbs—Small Business Server
1107	SBU—Standard Build Unit
1108	SCADA—Supervisory Control And Data Acquisition
1109	SCID—Source Code in Database
1110	SCM—Software Configuration Management
1111	SCM—Source Code Management
1112	SCP—Secure Copy
1113	SCPC—Single Channel Per Carrier
1114	SCPI—Standard Commands for Programmable Instrumentation
1115	SCSA—Secure Content Storage Association
1116	SCSI—Small Computer System Interface
1117	SCTP—Stream Control Transmission Protocol
1118	SD—Secure Digital
1119	SDDL—Security Descriptor Definition Language
1120	SDH—Synchronous Digital Hierarchy
1121	SDI—Single Document Interface
1122	SEC—Single Edge Contact
1123	SDIO—Secure Digital Input Output
1124	SDK—Software Development Kit
1125	SDL—Simple DirectMedia Layer
1126	SDN—Service Delivery Network
1127	SDP—Session Description Protocol
1128	SDR—Software-Defined Radio
1129	SDRAM—Synchronous Dynamic Random Access Memory
1130	SDSL—Symmetric DSL
1131	SE—Single Ended
1132	SEI—Software Engineering Institute
1133	SEO—Search Engine Optimization
1134	SFTP—Secure FTP
1135	SFTP—Simple File Transfer Protocol
1136	SFTP—SSH File Transfer Protocol
1137	SGI—Silicon Graphics, Incorporated
1138	SGML—Standard Generalized Markup Language
1139	SGR—Select Graphic Rendition
1140	SHA—Secure Hash Algorithm
1141	SHDSL—Single-pair High-speed Digital Subscriber Line
1142	SIGCAT—Special Interest Group on CD-ROM Applications and Technology
1143	SIGGRAPH—Special Interest Group on Graphics
1144	SIMD—Single Instruction, Multiple Data
1145	SIMM—Single Inline Memory Module
1146	SIP—Session Initiation Protocol
1147	SIP—Supplementary Ideographic Plane
1148	SISD—Single Instruction, Single Data
1149	SISO—Single-Input and Single-Output
1150	SLA-Service Level Agreement
1151	SLED—SUSE Linux Enterprise Desktop
1152	SLES—SUSE Linux Enterprise Server
1153	SLI—Scalable Link Interface
1154	SLIP—Serial Line Internet Protocol
1155	SLM—Service Level Management
1156	SLOC—Source Lines of Code
1157	SME—Subject Matter Expert
1158	SMF—Single-Mode (optical) Fiber
1159	SPM—Software project management
1160	SPMD—Single Program, Multiple Data
1161	SMA—SubMiniature version A
1162	SMB—Server Message Block
1163	SMBIOS—System Management BIOS
1164	SMIL—Synchronized Multimedia Integration Language
1165	S/MIME—Secure/Multipurpose Internet Mail Extensions
1166	SMP—Supplementary Multilingual Plane
1167	SMP—Symmetric Multi-Processing
1168	SMPS—Switch Mode Power Supply
1169	SMS—Short Message Service
1170	SMS—System Management Server
1171	SMT—Simultaneous Multithreading
1172	SMTP—Simple Mail Transfer Protocol
1173	SNA—Systems Network Architecture
1174	SNMP—Simple Network Management Protocol
1175	SNTP—Simple Network Time Protocol
1176	SOA—Service-Oriented Architecture
1177	SOAP—Simple Object Access Protocol
1178	SOAP—Symbolic Optimal Assembly Program
1179	SOPA—Stop Online Piracy Act
1180	SoC—System-on-a-Chip
1181	SO-DIMM—Small Outline DIMM
1182	SOE—Standard Operating Environment
1183	SOHO—Small Office/Home Office
1184	SOI—Silicon On Insulator
1185	SP—Service Pack
1186	SPA—Single Page Application
1187	SPF—Sender Policy Framework
1188	SPI—Serial Peripheral Interface
1189	SPI—Stateful Packet Inspection
1190	SPARC—Scalable Processor Architecture
1191	SQL—Structured Query Language
1192	SRAM—Static Random Access Memory
1193	SSA—Static Single Assignment
1194	SSD—Software Specification Document
1195	SSD—Solid-State Drive
1196	SSDP—Simple Service Discovery Protocol
1197	SSE—Streaming SIMD Extensions
1198	SSH—Secure Shell
1199	SSI—Server Side Includes
1200	SSI—Single-System Image
1201	SSI—Small-Scale Integration
1202	SSID—Service Set Identifier
1203	SSL—Secure Socket Layer
1204	SSO—Single Sign On
1205	SSP—Supplementary Special-purpose Plane
1206	SSSE—Supplementary Streaming SIMD Extensions
1207	SSSP—Single Source Shortest Path
1208	SSTP—Secure Socket Tunneling Protocol
1209	su—superuser
1210	SUS—Single UNIX Specification
1211	SUSE—Software und System-Entwicklung
1212	SVC—Scalable Video Coding
1213	SVG—Scalable Vector Graphics
1214	SVGA—Super Video Graphics Array
1215	SVD—Structured VLSI Design
1216	SWF—Shock Wave Flash
1217	SWT—Standard Widget Toolkit
1218	Sysop—System operator
1219	SOLID— Single-responsibility Principle, Open-closed Principle, Liskov substitution principle, Interface segregation principle, Dependency Inversion principle
1220	TAO—Track-At-Once
1221	TAPI—Telephony Application Programming Interface
1222	TASM—Turbo ASseMbler
1223	TB—TeraByte
1224	Tcl—Tool Command Language
1225	TCP—Transmission Control Protocol
1226	TCP/IP—Transmission Control Protocol/Internet Protocol
1227	TCU—Telecommunication Control Unit
1228	TDMA—Time-Division Multiple Access
1229	TFT—Thin-Film Transistor
1230	TFTP—Trivial File Transfer Protocol
1231	TI—Texas Instruments
1232	TIFF—Tagged Image File Format
1233	TLA—Three-Letter Acronym
1234	TLD—Top-Level Domain
1235	TLS—Thread-Local Storage
1236	TLS—Transport Layer Security
1237	TLV—Type-length-value
1238	tmp—temporary
1239	TNC—Terminal Node Controller
1240	TNC—Threaded Neill-Concelman connector
1241	TPF—Transaction Processing Facility
1242	TPM—Trusted Platform Module
1243	TROFF—Trace Off
1244	TRON—Trace On
1245	TRON—The Real-time Operating system Nucleus
1246	TRSDOS—Tandy Radio Shack – Disk Operating System
1247	TSO—Time Sharing Option
1248	TSP—Traveling Salesman Problem
1249	TSR—Terminate and Stay Resident
1250	TTA—True Tap Audio
1251	TTF—TrueType Font
1252	TTL—Transistor-Transistor Logic
1253	TTL—Time To Live
1254	TTS—Text-to-Speech
1255	TTY—Teletype
1256	TUCOWS—The Ultimate Collection of Winsock Software
1257	TUG—TeX Users Group
1258	TWAIN—Technology Without An Interesting Name
1259	UAAG—User Agent Accessibility Guidelines
1260	UAC—User Account Control
1261	UART—Universal Asynchronous Receiver/Transmitter
1262	UAT—User Acceptance Testing
1263	UB—Undefined Behavior
1264	UCS—Universal Character Set
1265	UDDI—Universal Description, Discovery, and Integration
1266	UDMA—Ultra DMA
1267	UDP—User Datagram Protocol
1268	UEFI—Unified Extensible Firmware Interface
1269	UHF—Ultra High Frequency
1270	UI—User Interface
1271	UL—Upload
1272	ULA—Uncommitted Logic Array
1273	UMA—Upper Memory Area
1274	UMB—Upper Memory Block
1275	UML—Unified Modeling Language
1276	UML—User-Mode Linux
1277	UMPC—Ultra-Mobile Personal Computer
1278	UMTS—Universal Mobile Telecommunications System
1279	UNC—Universal Naming Convention
1280	UNIVAC—Universal Automatic Computer (By MKS)
1281	UPS—Uninterruptible Power Supply
1282	URI—Uniform Resource Identifier
1283	URL—Uniform Resource Locator
1284	URN—Uniform Resource Name
1285	USB—Universal Serial Bus
1286	usr—user
1287	USR—U.S. Robotics
1288	UTC—Coordinated Universal Time
1289	UTF—Unicode Transformation Format
1290	UTP—Unshielded Twisted Pair
1291	UTRAN—Universal Terrestrial Radio Access Network
1292	UUCP—Unix to Unix Copy
1293	UUID—Universally Unique Identifier
1294	UUN—Universal User Name
1295	UVC—Universal Virtual Computer
1296	UWP—Universal Windows Platform
1297	UX—User Experience
1298	var—variable
1299	VAX—Virtual Address eXtension
1300	VCPI—Virtual Control Program Interface
1301	VR—Virtual Reality
1302	VRML—Virtual Reality Modeling Language
1303	VB—Visual Basic
1304	VBA—Visual Basic for Applications
1305	VBS—Visual Basic Script
1306	VDI—Virtual Desktop Infrastructure
1307	VDU— Visual Display Unit
1308	VDM— Virtual DOS machine
1309	VDSL—Very High Bitrate Digital Subscriber Line
1310	VESA—Video Electronics Standards Association
1311	VFAT—Virtual FAT
1312	VHD — Virtual Hard Disk
1313	VFS—Virtual File System
1314	VG—Volume Group
1315	VGA—Video Graphics Array
1316	VHF—Very High Frequency
1317	VLAN—Virtual Local Area Network
1318	VLSM—Variable Length Subnet Mask
1319	VLB—Vesa Local Bus
1320	VLF—Very Low Frequency
1321	VLIW—Very Long Instruction Word
1322	VLSI—Very-Large-Scale Integration
1323	VM—Virtual Machine
1324	VM—Virtual Memory
1325	VMM—Virtual Machine Monitor
1326	VNC—Virtual Network Computing
1327	VOD—Video On Demand
1328	VoIP—Voice over Internet Protocol
1329	VPN—Virtual Private Network
1330	VPU—Visual Processing Unit
1331	VSAM—Virtual Storage Access Method
1332	VSAT—Very Small Aperture Terminal
1333	VT—Video Terminal?
1334	VTL— Virtual Tape Library
1335	VTAM—Virtual Telecommunications Access Method
1336	VRAM—Video Random Access Memory
1337	W3C—World Wide Web Consortium
1338	WWDC—Apple World Wide Developer Conference
1339	WAFS—Wide Area File Services
1340	WAI—Web Accessibility Initiative
1341	WAIS—Wide Area Information Server
1342	WAN—Wide Area Network
1343	WAP—Wireless Access Point
1344	WAP—Wireless Application Protocol
1345	WASM—Watcom ASseMbler
1346	WBEM—Web-Based Enterprise Management
1347	WCAG—Web Content Accessibility Guidelines
1348	WCF—Windows Communication Foundation
1349	WDM—Wavelength-Division Multiplexing
1350	WebDAV—WWW Distributed Authoring and Versioning
1351	WEP—Wired Equivalent Privacy
1352	WFI—Wait For Interrupt
1353	WiMAX—Worldwide Interoperability for Microwave Access
1354	WinFS—Windows Future Storage
1355	WinRT—Windows RunTime
1356	WINS—Windows Internet Name Service
1357	WLAN—Wireless Local Area Network
1358	WMA—Windows Media Audio
1359	WMI— Windows Management Instrumentation
1360	WMV—Windows Media Video
1361	WNS—Windows Push Notification Service
1362	WOL—Wake-on-LAN
1363	WOR—Wake-on-Ring
1364	WORA—Write once, run anywhere
1365	WORE—Write once, run everywhere
1366	WPA—Wi-Fi Protected Access
1367	WPAD—Web Proxy Autodiscovery Protocol
1368	WPAN—Wireless Personal Area Network
1369	WPF—Windows Presentation Foundation
1370	WS-D—Web Services-Discovery
1371	WSDL—Web Services Description Language
1372	WSFL—Web Services Flow Language
1373	WUSB—Wireless Universal Serial Bus
1374	WWAN—Wireless Wide Area Network
1375	WWID—World Wide Identifier
1376	WWN—World Wide Name
1377	WWW—World Wide Web
1378	WYSIWYG—What You See Is What You Get
1379	WZC—Wireless Zero Configuration
1380	XAG—XML Accessibility Guidelines
1381	XAML—eXtensible Application Markup Language
1382	XDM—X Window Display Manager
1383	XDMCP—X Display Manager Control Protocol
1384	XCBL—XML Common Business Library
1385	XHTML—eXtensible Hypertext Markup Language
1386	XILP—X Interactive ListProc
1387	XML—eXtensible Markup Language
1388	XMMS—X Multimedia System
1389	XMPP—eXtensible Messaging and Presence Protocol
1390	XMS—Extended Memory Specification
1391	XNS—Xerox Network Systems
1392	XP—Cross-Platform
1393	XP—Extreme Programming
1394	XPCOM—Cross Platform Component Object Model
1395	XPI—XPInstall
1396	XPIDL—Cross-Platform IDL
1397	XPS— XML Paper Specification
1398	XSD—XML Schema Definition
1399	XSL—eXtensible Stylesheet Language
1400	XSL-FO—eXtensible Stylesheet Language Formatting Objects
1401	XSLT—eXtensible Stylesheet Language Transformations
1402	XSS—Cross-Site Scripting
1403	XTF—eXtensible Tag Framework
1404	XTF—eXtended Triton Format
1405	XUL—XML User Interface Language
1406	XVGA—Extended Video Graphics Adapter
1407	Y2K—Year Two Thousand
1408	YAAF—Yet Another Application Framework
1409	YACC—Yet Another Compiler Compiler
1410	YAML—YAML Ain’t Markup Language
1411	YaST—Yet another Setup Tool
1412	ZCAV—Zone Constant Angular Velocity
1413	ZCS—Zero Code Suppression
1414	ZIF—Zero Insertion Force
1415	ZIFS—Zero Insertion Force Socket
1416	ZIP—ZIP file archive
1417	ZISC—Zero Instruction Set Computer
1418	ZOI—Zero One Infinity
1419	ZOPE—Z Object Publishing Environment
1420	ZMA—Zone Multicast Address
1421	ZPL—Z-level Programming Language

That’s it.

Click Here to download the complete list in the PDF format.

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