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Computer Abbreviations List

Most commonly and widely used Computer Abbreviations and their full forms list. There are so many abbreviations used in the field of Computer and IT. 

The word abbreviation means a shortened form of a word or phrase. It may consist of a group of letters or words taken from the full version of the word or phrase. For Example, WWW is the abbreviation of the phrase World Wide Web.

So, on this page, I’m going to share with you a list of 240+ most commonly and widely used Computer and IT abbreviations. 


Computer Abbreviations List

Sl. No. Abbreviation Full Name
1. AD Active Directory
2. ADC Analog to Digital Converter
3. ARP Address Resolution Protocol
4. AH Active Hub
5. AL Active Link
6. AI Artificial Intelligence
7. ALGOL Algorithmic Language
8. ALU Arithmetic Logic Unit
9.  AM Active Monitor
10. APCI Application Layer Protocol Control Information
11. API Application Program Interface
12. ASCII American Standard Code for Information Interchange
13. ATM Automated Teller Machine
14. ADF Automatic Document Feeder
15. BINAC Binary Automatic Computer
16. Bcc Blind Carbon Copy
17. BMP Bitmap
18. BASIC Beginner’s All-purpose Symbolic Instruction Code
19. BCD Binary Coded Decimal 
20. BCR Bar Code Reader
21. BD Blu-ray Disc
22. Bin Binary
23. BIOS Basic Input Output System
24. B2B Business to Business
25. Bit Binary Digit
26. BLOG Web Log
27. BPI Bytes/Bits Per Inch
28. BPL Broadband over Power Line
29. BPS Bits Per Second
30. BSNL Bharat Sanchar Nigam Limited
31. Ce Carbon Copy
32. CMOS Complementary Metal Oxide Semiconductor
33. CAD Computer-Aided Design
34. COBOL Common Algorithmic Language
35. CPU Central Processing Unit
36. CRT Cathode Ray Tube
37. CSS Cascading Style Sheet
38. CU Control Unit
39. CTCP Client-To-Client Protocol
40. CD-R Compact Disc Recordable
41. CD-ROW Compact Disc Read-Only Memory
42. CD-RW Compact Disc Rewritable
43. CD-R/W Compact Disc-Read/Write
44. CG Computer Graphics
45. CGI Common Gateway Interface
46. COM Common Object Model
47. CLI Command Line Interface
48. CLR Common Language Runtime
49. CDMA Code Division Multiple Access
50. DAC Digital to Analog Converter
51. DAP Directory Access Protocol
52. DB Database
53. DBA Database Administrator
54. DBMS Database Management System
55. DCC Direct Client-to-Client
56. DCL Data Control Language
57. DFS Distributed File System
58. DHTML Dynamic HyperText Markup Language
59. DLL Dynamic Link Library
60. DLP Digital Light Processing
61. DMA Digital Memory Access
62. DNS Domain Name System
63. DPI Dots Per Inch
64. DRAM Dynamic Random Access Memory
65. DSL Digital Subscription Link
66. DTP Desktop Publishing
67. DVD Digital Video Disc/Digital Versatile
68. DVD-R Digital Video Disc-Recordable
69. DVD-ROM DVD-Read Only Memory
70. DVD-RW DVD-Rewritable
71. DVR Digital Video Recorder
72. DOS Disk Operating System
73. EBCDIC Extended Binary Coded Decimal Interchange Code
74. E-Commerce Electronic Commerce
75. EDO Extended Data Out
76. EDP Electronic Data Processing
77. EDSAC Electronic Delay Storage Automatic Calculator
78. EEPROM Electrically Erasable Programmable Read-Only Memory
79. E-Mail Electronic Mail
80. ENIAC Electronic Numerical Integrator And Computer
81. EOF End Of File
82. EPROM Erasable Programmable Read-Only Memory
83. EXE Executable
84. EDI Electronic Data Interchange
85. FAT File Allocation Table
86. FAX Facsimile
87. FDC Floppy Disk Controller
88. FDD Floppy Disk Drive
89. FIFO First In First Out
90. FORTRAN Formula Translation
91. FPU Floating Point Unit
92. FS File System
93. FTP File Transfer Protocol
94. FPS Frame Per Second
95. FLOPS Floating Point Operations Per Second
96. Gb Gigabit
97. GB Gigabyte
98. GIF Graphics Interchange Format
99. GPU Graphics Processing Unit
100. GUI Graphical User Interface
101. HIL High-Level Language
102. HPFS High-Performance File System
103. HDD Hard Disk Drive
104. HSM Hierarchical Storage Management
105. HTML HyperText Markup Language
106. HTTP HyperText Trasfer Protocol
107. HTTPs HyperText Trasfer Protocol Secure
108. IBM International Business Machine
109. IS Information System
110. IM Instant Message
111. IMAP Internet Message Access Protocol
112. iOS iPhone Operating System
113. IP Internet Protocol
114. ISDN Integrated Services Digital Network
115. ISOC Internet Society
116. ISP Internet Service Provider
117. ISR Interrupt Service Routine
118. IT Information Technology
119. JPEG Joint Photographic Experts Group
120. JRE Java Runtime Environment
121. JS Java Script
122. Kb Kilobit
123. KB Kilobyte
124. KHz Kilohertz
125. Kbps Kilobit Per Second
126. LAN Local Area Network
127. LCD Liquid Crystal Display
128. LDU Liquid Display Unit
129. LED Light Emitting Diode
130. LIFO Last In First Out
131. LPI Lines Per Inch
132. LIPS List Processing
133. MAN Metropolitan Area Network
134. Mb Megabit
135. MB Megabyte
136. MBR Master Boot Record
137. MAC Media Access Control
138. MPEG Moving Picture Expert Group
139. MMS Multimedia Messaging Service
140. MIME Multipurpose Internet Mail Extension
141. MSN Microsoft Network
142. MDI Multiple Document Interface
143. MICR Magnetic Ink Character Recognition
144. MIMO Multiple-Input Multiple-Output
145. MIPS Million Instructions Per Second
146. MIDI Musical Instrument Digital Interface
147. NFS Network File System
148. NIC Network Interface Card
149. NOS Network Operating System
150. OCR Optical Character Recognition
151. OMR Optical Mark Reader
152. OOP Object-Oriented Programming
153. OS Operating System
154. OSS Open Source Software
155. OLE Object Linking and Embedding
156. PAN Personal Area Network
157. PAP Password Authentication Protocol
158. PC Personal Computer
159. PCL Printed Command Language
160. PDF Portable Document Format
161. PDL Program Design Language
162. PIO Programmed Input/Output
163. PLA Programmable Logic Array
164. PPM Pages Per Minute
165. PPP Point-to-Point Protocol
166. PPTP Point-to-Point Tunneling Protocol
167. PROM Programmable Read-Only Memory
168. PSTN Public Switch Telephone Network
169. PSU Power Supply Unit
170. POST Power On Self Test
171. QDR Quad Data Rate
172. QoS Quality of Service
173. QBE Query By Example
174. RAM Random Access Memory
175. RARP Reverse Address Resolution Protocol
176. RDBMS Relation Database Management System
177. RIP Routing Information Protocol
178. ROM Read-Only Memory
179. ROMB Read Out Motherboard
180. RPG Report Program Generator
181. RTOS Real-Time Operating System
182. RTF Rich Text Format
183. SAN Storage Area Network
184. SCSI Small Computer System Interface
185. SDL Simple DirectMedia Layer
186. SMTP Simple Mail Transfer Protocol
187. SNOBOL String Oriented and Symbolic Language
188. SP Service Pack
189. SQL Structured Query Language
190. SRAM Static Random Access Memory
191. SVD Structured VLSI Design
192. SNMP Simple Network Management Protocol
193. SIM Subscriber Identification Module
194. TCP Transmission Control Protocol
195. TDMA Time Division Multiple Access
196. TTA True Tap Audio
197. TTF True Type Font
198. TTS Text-To-Speech
199. TTY TeleType
200. TFT Thin-Film Transistor
201. TB Terabyte
202. UAC User Account Control
203. UI User Interface
204. UPS Uninterruptible Power Supply
205. URI Uniform Resource Identifier
206. URL Uniform Resource Locator
207. URN Uniform Resource Name
208. USB Universal Serial Bus
209. ULSI Ultra Large Scale Integration
210. UNIVAC Univarsal Automatic Computer
211. UTP Unshielded Twisted Pair
212. VAR Variable
213. VB Visual Basic
214. VDD Virtual Device Driver
215. VGA Video Graphic Array
216. VLAN Virtual Local Area Network
217. VM Virtual Memory
218. VMS Video Memory System
219. VPN Virtual Private Network
220. VT Video Terminal
221. VSNL Videsh Sanchar Nigam Limited
222. VDU Visual Display Unit
223. VLSI Very Large Scale Integration
224. VRAM Video Random Access Memory
225. WAN Wide Area Network
226. WAP Wireless Application Protocol
227. Wi-Fi Wireless Fidelity
228. WiMax Worldwide Interoperability for Microwave access
229. WINS Windows Internet Naming Service
230. WLAN Wireless Local Area Network
231. WMA Wireless Media Video
232. WPA Wi-Fi Protected Access
233. WWAN Wireless Wide Area Network
234. WWW World Wide Web
235. WLL Wireless Local Loop
236. WORM Write Once Read Memory
237. XHTML eXtensible HyperText Markup Language
238. XML eXtensible Markup Language
239. XNS Xerox Network Service
240. XUL XML User Interface Language
241. YB Yottabyte
242. ZIFS Zero Insertion Force Socket
243. ZIP Zone Information Protocol
244. ZISC Zone Instruction Set Computer
245. ZMA Zone Multicast Address
246. ZNA Zone Network Administration
247. ZB Zettabyte
Pranjyoti Patgiri
Hi, myself Pranjyoti Patgiri founder and fountainhead of PatgiriDigital. A passionate Blogger who like to share tech guide, online money making tips, best gadgets, deals & offers, etc on this Blog.


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