| Sr No | Abbreviations | Full Form / Description/Definition |
| 1 | ACID | Atomicity Consistency Isolation Durability |
| 2 | ADC | Analog Digital Converter |
| 3 | ADSL | Asymmetric Digital Subscriber Line |
| 4 | AI | Artificial Intelligence |
| 5 | ALGOL | Algorithmic Language |
| 6 | ALU | Arithmetic Logic Unit |
| 7 | ANSI | American National Standard Institute |
| 8 | API | Application Program Interface |
| 9 | ARP | Address Resolution Protocol |
| 10 | ARPANET | Advanced Research Projects Agency Network |
| 11 | AS | Autonomous System |
| 12 | ASCII | American Standard Code For Information Interchange |
| 13 | ASP | Active Server Pages |
| 14 | ATM | Automatic Teller Machine |
| 15 | ATM | Asynchronous Transfer Mode |
| 16 | BARC | The Bhabha Atomic Research Centre |
| 17 | BASIC | Beginner’s All-purpose Symbolic Instruction Code |
| 18 | BASIC | Beginners All Purpose Symbolic Instruction Code |
| 19 | BCC | Blind Carbon Copy |
| 20 | BCR | Bar Code Reader |
| 21 | BGP | Border Gateway Protocol |
| 22 | BIOS | Basic Input Output System |
| 23 | BIPS | Billion Instruction Per Second |
| 24 | BPS | Bit Per Second |
| 25 | BRD | Blu-Ray Disc |
| 26 | BSNL | Bharat Sanchar Nigam Limited |
| 27 | CAD | Computer Aided Design |
| 28 | CAM | Computer Aided Manufacturing |
| 29 | CAN | Campus Area Network |
| 30 | CC | Carbon copy |
| 31 | CD | Compact Disk |
| 32 | CD ROM | Compact Disk Read Only Memory |
| 33 | CD RW | Compact Disk Read and Write |
| 34 | CD | Compact Disc |
| 35 | CDMA | Code Division Multiple Access |
| 36 | CMOS | Complementary Metal Oxide SemiConductor |
| 37 | CNM | Circulatory Network Mode |
| 38 | COBOL | Common Business Oriented Language |
| 39 | CPU | Central Processing Unit |
| 40 | CRT | Cathode Ray Tube |
| 41 | CRT | Cathode Ray Tube |
| 42 | CU | Control Unit |
| 43 | D RAM | Dynamic Ram |
| 44 | DAC | Digital Analog Converter |
| 45 | DBMS | Database Management System |
| 46 | DCL | Digital Command Language |
| 46-2 | DDL | Data Definition Language |
| 46-3 | DML | Data Manipulation Language |
| 47 | DFD | Data Flow Diagram |
| 48 | DHCP | Dynamic Host Configuration Protocol |
| 49 | DHTML | Dynamic Hyper Text Markup Language |
| 50 | DNS | Domain Name System |
| 51 | DNS | Domain Name Server |
| 52 | DPI | Dots Per Inch |
| 53 | DPI | Dots Per Inch |
| 54 | DRAM | Dynamic RAM |
| 55 | DRDO | The Defence Research and Development Organisation |
| 56 | DSL | Digital Subscriber Line |
| 57 | DVD | Digital Versatile Disc or Digital Video Disc |
| 58 | DVD | Digital Video/Versatile Disc |
| 59 | E Mail | Electronic Mail |
| 60 | EBCDIC | Extended Binary Coded Decimal Interchange Code |
| 61 | E-Commerce | Electronic Commerce |
| 62 | EDI | Electronic Data Interchange |
| 63 | EDP | Electronic Data Processing |
| 64 | EDSAC | Electronic Delay Storage Automatic Calculator |
| 65 | EE-PROM | Electrically Erasable Programmable Read Only Memory |
| 66 | EEPROM | Electrically Erasable PROM |
| 67 | ENIAC | Electrically Erasable Programmable Read Only Memory |
| 68 | E-PROM | Erasable Programmable Read Only Memory |
| 69 | EPROM | Electrically PROM |
| 70 | FAT | File Allocation Table |
| 71 | FDD | Floppy Disc Drive |
| 72 | FORTRAN | Formula Translation |
| 73 | FTP | File Transfer Protocol |
| 74 | GIF | Graphics Interchange Format |
| 75 | GSM | Global System for Mobile Communication |
| 76 | GUI | Graphical User Interface |
| 77 | HDD | Hard Disc Drive |
| 78 | HTML | Hyper Text Markup Language |
| 79 | HTTP | Hyper Text Transfer Protocol |
| 80 | HTTPS | Hyper Text Transfer Protocol Secure |
| 81 | HVD | Holographic Versatile Disc |
| 82 | IBM | International Business Machine |
| 83 | ICANN | Internet Corporation of Assign Names & Numbers |
| 84 | IEEE | Institute of Electrical and Electronic Engineer |
| 85 | IMAP | Internet Message Access Protocol |
| 86 | IMAP4 | Internet Message Access Protocol Version 4 |
| 87 | IP | Internet Protocol |
| 88 | IPV4 | Internet Protocol Version 4 |
| 89 | IPV6 | Internet Protocol Version 6 |
| 90 | ISDN | Intergrated Services Digital Network |
| 91 | ISO | International Standard Organization/ International Org for Standardisation |
| 92 | IT | Information Technology |
| 93 | IVR | Interactive Voice Response |
| 94 | KBPS | Kilo Byte Per Second |
| 95 | LAN | Local Area Network |
| 96 | LCD | Liquid Crystal Display |
| 97 | LSI | Large Scale Intergration |
| 98 | MAC | Media Access Control |
| 99 | MAN | Metropolitan Area Network |
| 100 | MANET | Mobile Ad-Hoc Network |
| 101 | MB | Mega Byte |
| 102 | MICR | Magnetic Ink Character Reader / Recognition |
| 103 | MIDI | Musical Instrument Digital Interface |
| 104 | MIME | Multipurpose Internet Mail Extension |
| 105 | MIPS | Million Instruction Per Second |
| 106 | MODEM | Modulator Demodulator |
| 107 | MPEG | Moving Picture Expert Group |
| 108 | MS-ACCESS | Microsoft Access |
| 109 | MS-DOS | Microsoft-Disc Operating System |
| 110 | MS-EXCEL | Microsoft Excel |
| 111 | MS-WINDOS | Microsoft Windows |
| 112 | MS-WORD | Microsoft Word |
| 113 | MTNL | Mahanagar Telephone Nigam Limited |
| 114 | NAL | National Aerospace Laboratories |
| 115 | NAT | Network Address Translation |
| 116 | NIC | Network Interface Card |
| 117 | NTP | Network Time Protocol |
| 118 | OCR | Optical Character Reader |
| 119 | OMR | Optical Mark Reader |
| 120 | OS | Operating System |
| 121 | P2P | Point to Point Protocol |
| 122 | PAN | Personal Area Network |
| 123 | PC | Personal Computer |
| 124 | PCB | Printer Circuit Board |
| 125 | PDA | Personal Digital Assistants |
| 126 | PDF | Portable Document Format |
| 127 | PDL | Program Design Language |
| 128 | PL 1 | Programming Language 1 |
| 129 | POP3 | Post Office Protocol Version3 |
| 130 | POS | Point Of Sales |
| 131 | PPP | Peer to Peer Protocol |
| 132 | PROM | Programmable Read Only Memory |
| 133 | PROM | Programmable ROM |
| 134 | PSTN | Public Switched Telephone Network |
| 135 | RAM | Random Access Memory |
| 136 | RAM | Random Access Memory |
| 137 | RARP | Reverse Address Resolution Protocol |
| 138 | RARP | Reverse ARP |
| 139 | ROM | Read Only Memory |
| 140 | ROM | Read Only Memory |
| 141 | RPG | Report Program Generator |
| 142 | S RAM | Static Ram |
| 143 | SAN | Storage Area Network |
| 144 | SCSI | Small Computer System Interface Port |
| 145 | SFTP | Secure File Transfer Protocol |
| 146 | SIP | Session Initiation Protocol |
| 147 | SMIME | Secure Multipurpose Internet Mail Extension |
| 148 | SMPS | Switch Mode Power Supply |
| 149 | SMTP | Simple Mail Transfer Protocol |
| 150 | SNMP | Simple Network Management Protocol |
| 151 | SQL | Structured Query Language |
| 152 | SRAM | Static RAM |
| 153 | SSH | Secure Shell |
| 154 | TCP / IP | Transmission Control Protocol / Internet Protocol |
| 155 | TCP | Transmission Control Protocol |
| 156 | Tel Net | Telecommunication Networking |
| 157 | TFT | Thin Film Transistor |
| 158 | TFTP | Trivial File Transfer Protocol |
| 159 | TIPS | Trillion Instruction Per Second |
| 160 | UDP | User Datagram Protocol |
| 161 | ULSI | Ultra Large Scale Integration |
| 162 | UNIVAC | 1-Universal Automatic Computer |
| 163 | UPS | Uninterruptible Power Supply |
| 164 | URL | Uniform Resource Locator |
| 165 | USB | Universal Serial Bus |
| 166 | UD | Untitled Document (For MS Office /Word) |
| 167 | VDU | Visual Display Unit |
| 168 | VIRUS | Vital Information Resource Under Siege |
| 169 | VLSI | Very Large Scale Integration |
| 170 | VOIP | Voice Over Internet Protocol |
| 171 | VSNL | Videsh Sanchar Nigam Limited |
| 172 | WAN | Wide Area Network |
| 173 | WIFI | Wireless fidelity |
| 174 | WIMAX | Worldwide Interoperability For Microwave Access |
| 175 | WLL | Wireless Local Loop |
| 176 | WORM | Write Once Read Many |
| 177 | WWW | World Wide Web |
| 178 | WYSIWYG | What you see is what you get |
| 179 | Wi-Fi | Wireless Fidelity |
| 180 | XML | Extensible Markup Language |