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. | 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. | 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 |