A to Z Computer Full Form List
Candidates must learn the computer parts in full form for their competitive exam in general knowledge paper.
Computer A to Z Parts Full Form List
| 3GP | 3rd Generation Project |
| 3GPP | 3rd Generation Partnership Project |
| AAC | Advanced Audio Coding |
| ACID | Atomicity Consistency Isolation Durability |
| ADSL | Asymmetric Digital Subscriber Line |
| AFAIK | (as far as I know; email) |
| AGP | Advanced Graphics Port |
| AI | Artificial Intelligence |
| AIM | AOL Instant Messenger |
| ALGOL | Algorithmic Language |
| ALGOL | Algorithmic Language |
| ALT | ALTernate lifestyle (USENET newsgroup category) |
| ALU | Arithmetic Logic Unit |
| ANSI | American National Standards Institute |
| AOL | America Online |
| API | Application Program Interface |
| APT | Automatically Programmed Tooling |
| ARP | Address Resolution Protocol |
| ARPANET | Advanced Research Projects Agency Network |
| ARQ | Automatic Repeat Request |
| AS | Autonomous System |
| ASCII | American Standard Code for Information Interchange |
| ASP | Active Server Pages |
| ASP | Association of Shareware Professionals |
| ASPI | Advanced SCSI Programming Interface (Adaptec) |
| AT | Advanced Technology |
| ATA | Advanced Technology Attachment (original hard drive interface) |
| ATDT | Attention Dial Tone (modem command) |
| ATM | Asynchronous Transfer Mode |
| ATZ | Attention Restore configuration profile from nonvolatile RAM (modem command) |
| AUI | Attachment Unit Interface |
| AUTOEXEC | Autoexec Automatic Execution file (AUTOEXEC.BAT automatically executed on startup of DOS systems) |
| AVI | Audio Video Interleave |
| AWK | (Unix language named after its authors… Al Aho, Peter Weinberger and Brian Kernighan) |
| B Keyboard | Kilobyte (1,024 bytes; also kB) |
| B2B | Business to Business |
| B2C | Business to Consumer |
| BASIC | Beginner’s All-purpose Symbolic Instruction Code |
| BCC | Blind Carbon Copy |
| BCD | Binary Coded Decimal |
| BCR | Bar Code Reader |
| BDSL | Broadband DSL |
| BEDO | Burst Extended Data Out (RAM) |
| BGP | Border Gateway Protocol |
| BHTML | Broadcast Hyper Text Markup Language |
| BIOS | Basic Input Output System |
| BIPS | Billion Instruction Per Second |
| BIU | Bus Interface Unit |
| BMP | Bitmap |
| BPS | Bits Per Second + Bytes Per Second |
| BRD | Blu-Ray Disc |
| BsoD | Blue (or black) Screen of Death( Windows just died (again) |
| CAD | Computer Aided Design |
| CADD | Computer Aided Design and Drafting |
| CAI | Computer Aided Instruction |
| CAM | Computer Aided Manufacturing |
| CAN | Campus Area Network |
| CC | Carbon Copy |
| CCITT | Comite Consultatif International Telegraphique et Telephonique/ |
| CD | Compact Disk |
| CD | Change Directory (UNIX/DOS) |
| CD0R/W | Compact Disk – Rewritable |
| CDMA | Code-Division Multiple Access (wireless/cellphone protocol) |
| CDPD | Cellular Digital Packet Data (wireless protocol) |
| CD-R | Compact Disk – Recordable |
| CDROM | Compact Disk Read Only Memory |
| CDRW | Compact Disk Rewritable |
| CD-WO | Compact Disk – Write Once |
| CD-XA | Compact Disk – Extended Architecture |
| CERN | The European Particle Physics Laboratory (initials originally from Conseil European pour la Recherche Nucleaire) |
| CERT | Computer Emergency Response Team) |
| CGI-BIN | Common Gateway Interface – Binary (programming for Web forms) |
| CIS | CompuServe Information Service |
| CISC | Complex Instructions Set Computers |
| CMD | Command |
| CMOS | Complementary Metal-Oxide Semiconductor (type of nonvolatile memory chip) + PC Configuration stored on CMOS |
| CMYK | Cyan-Magenta-Yellow-Black (color model) |
| CNM | Circulatory Network Mode |
| COAX | Coaxial Cable (for Ethernet and similar networks) |
| COBOL | Common Business Oriented Language |
| COM1 | First serial Port (asynchronous port) |
| COM2 | Second serial Port |
| COMDEX | Computer Dealers Exposition (biggest yearly U.S. computer show) |
| COMPUTER | Commonly Operated Machine Particularly Used for Trade/Technology, Education, and Research. |
| CPI | Clock / Cycle Per Instruction |
| CPU | Central Processing Unit |
| CROM | Computerized Range of Motion |
| CRT | Cathode Ray Tube( standard type computer monitor display |
| CSID | Call Subscriber ID (for FAX and phone caller ID) |
| CSLIP | Compressed Serial Line Interface Protocol (Internet) |
| CSS | Cascading Style Sheets |
| CSV | Comma-Separated Value/Variable (file type) |
| CTRL | Control (computer keyboard key) |
| CUI | Character User Interface |
| DAC | Data Acquisition and Control + Digital to Analog Converter |
| DARPANET | Defense Advanced Research Project Agency Network |
| DAT | Digital Audio Tape |
| dB | Decibel |
| DBMS | Data Base Management System |
| DCD | Data Carrier Detect |
| DCE | Data Communications Equipment + Distributed Computing Environment OSF) + Distributed Computing Equipment |
| DCF | Data Communication Facility(IBM) + |
| DDE | Direct Data Entry + Dynamic Data Exchange (Microsoft) |
| DDL | Data Definition Language |
| DDR | Double Data Rate (double=speed of RAM) |
| DDR – SDRAM | Double Data Rate – Synchronous Dynamic Random Access Memory |
| DHCP | Dynamic Host Configuration Protocol |
| DHTML | Dynamics Hyper Text Markup Language |
| DIMM | Dual Inline Memory Module |
| DIN | Deutsche Industrie Norm (German equivalent of EIA) |
| DIP | Dual In-line Package (e.g., DIP switches) |
| DIR | Directory (file) |
| DLL | Dynamic Link Library |
| DMA | Direct Memory Access/Addressing |
| DML | Data Manipulation Language |
| DNA | Distributed Internet Architecture |
| DNS | Domain Name System |
| DOC | Data Optimizing Computer |
| Doc | Document |
| DOS | Disk Operating System |
| DPI | Dots Per Inch |
| DRAM | Dynamic Random Access Memory |
| DSL | Digital Subscriber Line( fast Internet connection over existing phone lines |
| DSTN | Double Supertwisted Nematic (LCD screen type) |
| DTMF | Dual Tone Multiple Frequency (phone tones) |
| DUN | Dial-Up Networking (Microsoft) |
| DVD | Digital Video/Versatile Disc |
| DVDR | Digital Versatile Disk Recordable |
| DVDRW | Digital Versatile Disk Rewritable |
| DVI | Digital Visual Interface |
| DVR | Digital Video Recorder |
| EB | EXA BYTE |
| EBCDIC | Extended Binary Coded Decimal Interchange Code (IBM) (is to ASCII as Sanskrit is to English) |
| ECC | Error Check Code + Error Checking and Correction + Error Correction Code |
| E-Commerce | Electronic Commerce |
| ECP | Enhanced Capabilities Port (Microsoft) |
| EDC | Electronic Digital Computer |
| EDGE | Enhanced Data Rate for GSM (Global System for Mobile Communication) Evolution |
| EDI | Electronic Data Interchange |
| EDO | Extended Data Out (RAM) |
| EDP | Electronic Data Processing |
| EDSAC | Electronic Delay Storage Automatic Calculator |
| EEPROM | Electronically Erasable Programmable Read Only Memory |
| EFS | Encrypted File System |
| EiB | EXBI BYTE |
| EIDE | Enhanced Integrated Drive Electronics (hard drive interface) |
| EISA | Extended Industry Standard Architecture (PC bus design) |
| EMACS | Editing Macros (Unix editor) |
| Electronic Mail | |
| ENIAC | Electronics Numerical Integrator And Calculator |
| EOF | End of File (^Z character) |
| EPP | Enhanced Parallel Port |
| EPROM | Erasable Programmable Read Only Memory |
| EROM | Erasable Read Only Memory |
| ESDI | Enhanced Small Device Interface |
| EWAN | Emulator Without A Good Name (Internet) |
| FAQ | Frequently Asked Question |
| FAT | File Allocation Table |
| FDC | Floppy Disk Controller |
| FDD | Floppy Disk Drive |
| FDISK | Fixed Disk (DOS utility) |
| FIFO | First-In, First-Out |
| FLOPS | Floating Point Operations Per Second |
| FM | Frequency Modulation |
| FORTRAN | Formula Translation |
| FPM F | ast Page Mode (RAM) |
| FPS | Frames Per Second |
| FS | File System |
| FTP | File Transfer Protocol |
| FYI | For Your Information |
| GB | Giga Byte |
| GBPS | Gigabytes/Gigabits Per Second |
| GDI | Graphical Device Interface |
| GHz | GigaHertz |
| GiB | GIBI BYTE |
| GIF | Graphic Interchangeable Format |
| GIGO | Garbage In Garbage Out |
| GIS | Geographic Information System |
| GML | Geography Markup Language |
| GNU | Gnu’s Not Unix (operating system that really IS Unix) |
| GPRS | General Packet Radio Service |
| GPS | Global Positioning Satellite/System |
| GSM | Global System for Mobile Communication |
| GUI | Graphical User Interface |
| GW-basic | Gee Whiz BASIC |
| HD | Hard Disk |
| HDD | Hard Disk Drive |
| HDMI | High Definition Multimedia Interface |
| HDSL | High-Data-Rate Digital Subscriber Line (DSL) + High-Speed Digital Subscriber Loop |
| HDTV | High Definition Television |
| HEX | Hexadecimal |
| HP | Hewlett Packard/Horse Power |
| HPC | Handheld Personal Computer/High Performance Computer |
| HPFS | High-Performance File System (Windows NT) |
| HPGL | Hewlett-Packard Graphics Language |
| HPIB | Hewlett-Packard Interface Bus |
| HPLJ | Hewlett-Packard Laser Jet |
| HSDPA | High Speed Downlink Packet Access |
| HSV | Hue Saturation Value (color model) |
| HTML | Hyper Text Markup Language |
| HTTP | Hyper Text Transfer Protocol |
| HTTP-NG | HTTP Next Generation |
| HTTPS | Hyper Text Transfer Protocol Secure |
| HVD | Holographic Versatile Disc |
| Hz | Hertz (frequency, per second) |
| I/O | Input/Output (serial and parallel ports) |
| IBM | International Business Machines |
| IC | Integrated Circuit |
| ICANN | Internet Corporation of Assign Names & Numbers |
| ICT | Information Communication Technology |
| IDE | Integrated Development Environment (Borland) + Integrated Drive Electronics + Intelligent Drive Electronics |
| IEEE | Institute of Electrical and Electronic Engineer |
| IMAP | Internet Message Access Protocol |
| IMAP4 | Internet Message Access Protocol Version 4 |
| IMHO | (in my humble opinion; email) |
| INFO | Information |
| INTEL | Integrated Electronics |
| IO | Input Output |
| IOP | Input Output Processor |
| IP | Internet Protocol |
| IPV4 | Internet Protocol Version 4 |
| IPV6 | Internet Protocol Version 6 |
| IPX | Internetwork Packet Exchange (Novell) |
| IR Infrared | |
| IrDA | Infrared Data Association (Ir port standard) |
| IRQ | Interrupt Request (PC hardware signal) |
| ISA | Industry Standard Architecture |
| ISDN | Integrated Services Digital Network (digital phone line) |
| ISO | International Standard Organization/ International Org for Standardisation |
| ISP | Internet Service Provider |
| IT | Information Technology |
| IVR | Interactive Voice Response |
| I-WAY | Information Highway |
| J2EE | Java 2 Platform Enterprise Edition |
| JAD | Java Application Descriptor/Development |
| JAR | Java Archive |
| JPEG | Joint Photographic Expert Group |
| JS | Java Script |
| JSP | Java Server Page |
| KB | KILOBYTE |
| KBD | Key Board |
| Kbps | Kilobits/Kilobytes Per Second |
| kHz | Kilohertz |
| LAN | Local Area Network |
| LCD | Liquid Crystal Display |
| LED | Light Emitting Diode |
| LF | Line Feed |
| LIF | Low Insertion Force |
| LINUX | (Free-Source version of UNIX Operating system named after Linus Torvalds) |
| LLL | Low Level Language |
| LPI | Lines Per Inch |
| LPT | Line Printer |
| LPT1 | First Parallel Printer Port |
| LPT2 | Second Parallel Printer Port |
| LQ | Letter Quality |
| LSI | Large Scale Integration |
| LZW | Lempel-Ziv-Walsh (algorithm) |
| MAC | Media Access Control |
| MAN | Metropolitan Area Network |
| MANET | Mobile Ad-Hoc Network |
| MB | Motherboard/ Megabyte |
| MBASIC | Microsoft BASIC (Microsoft) |
| MBPS | Megabits/Megabytes Per Second |
| Mbps | Megabits Per Second |
| MD | Make Directory (DOS/Unix) |
| MEG | Megabyte |
| MFS | Macintosh File System (Macintosh) |
| MHz | Mega Hertz |
| MICR | Magnetic Ink Character Recognition |
| MIDI | Musical Instrument Digital Interface |
| MIME | Multipurpose Internet Mail Extensions |
| MIPS | Million Instructions Per Second |
| MMX | Multimedia Extensions (additional CPU instructions) |
| MODEM | Modulator Demodulator |
| Mp3 | MPEG Audio Layer 3 |
| Mp4 | MPEG – 4 AVC (Advanced Video Coding) |
| MPC | Multimedia Personal Computer (Microsoft) |
| MPEG | Motion Picture Experts Group |
| MSCDEX | Microsoft Compact Disc Extension |
| MS-DOS | Microsoft – Disk Operating System |
| MSIE | Microsoft Internet Explorer (Microsoft) |
| MTBF | Mean Time Between Failures |
| NAT | Network Address Translation |
| NCSA | National Center for Supercomputing Applications |
| NIC | Network Interface Card |
| NICAD | Nickel Cadmium |
| NIIT | National Institute of Information Technology |
| NIMH | Nickel-Metal Hydride |
| NNTP | Network News Transfer Protocol (Internet) |
| NSFNET | National Science Foundation Network |
| NTFS | New Technology File System |
| NTP | Network Time Protocol |
| OCR | Optical Character Reader / Recognition |
| OCX | OLE Custom Control |
| OLE | Object Linking and Embedding (Microsoft) |
| OMR | Optical Mark Reader/Recognition |
| OOP | Object Oriented Programming |
| OPEN GL | Open Graphics Library |
| OS | Operating System |
| OSI | Open Systems Interconnection |
| P2P | Point to Point Protocol |
| PAN | Personal Area Network |
| PB | PETA BYTE |
| PBSRAM | Pipeline Burst RAM |
| PC | Personal Computer |
| PCB | Printer Circuit Board |
| PC-DOS | Personal Computer – Disk Operating System (IBM) |
| PCI | Peripheral Component Interconnect |
| PCMCIA | Personal Computer Memory Card International Association |
| PD | Public Domain |
| PDA | Personal Digital Assistant |
| Portable Document Format | |
| PDU | Protocol Data Unit / Power Distribution Unit |
| PGP | Pretty Good Privacy (name of encryption program) |
| PHP | Hypertext Preprocessor |
| PiB | PEBI BYTE |
| PIM | Personal Information Manager |
| PING | Packet Internet/Internetwork Groper |
| PIXEL | Picture Element |
| PNG | Portable Network Graphics |
| PNP | Plug and Play |
| POP | Post Office Protocol (protocol for distributing email) |
| POP3 | Post Office Protocol Version3 |
| Popmail | email via POP |
| POST | Power On Self Test |
| PPM | Pages Per Minute |
| PPP | Point to Point Protocol |
| PPPoA | Point to Point Protocol Over ATM |
| PPPoE | Point to Point Protocol Over Ethernet |
| PRN | Printer |
| PROM | Programmable Read Only Memory |
| PRTSC | Print Screen |
| PSU | Power Supply Unit |
| RAID | Redundant Arrays of Independent Disks + Redundant Arrays of Independent Drives + Redundant Arrays of Inexpensive Disks |
| RAM | Random Access Memory |
| RARP | Reverse Address Resolution Protocol |
| RDBMS | Relational Data Base Management System |
| RDRAM | Rambus Dynamic Random Access Memory |
| REM | Remark (comment) |
| RGB | Red-Green-Blue (color model) |
| RIMM | Rambus Inline Memory Module |
| RIP | Routing Information Protocol |
| RISC | Reduced Instruction Set Computer |
| RJ-11 | Standard U.S. phone connector |
| RJ-45 | Standard Ethernet connector |
| RLL | Run Length Limited (encoding scheme for hard disks) |
| RLSI | Ridiculously Large-Scale Integration |
| RMA | Return Material Authorization + Return to Manufacturer Authorization |
| RMDIR | Remove Directory (DOS/Unix) |
| RN | Read News (Internet) |
| ROM | Read Only Memory |
| ROTFL | (rolling on the floor laughing; email) |
| RPM | Revolutions Per Minute |
| RTF | Rich Text Format |
| SAM | Software Asset Management/Sequential Access Method |
| SAN | Storage Area Network |
| SCSI | Small Computer System Interface (for hard drives, scanners, etc.) |
| SDD | Solid State Drive |
| SDRAM | Synchronous Dynamic Random Access Memory |
| SFTP | Secure File Transfer Protocol |
| SG | Message |
| SGML | Standard Generalized Markup Language |
| SGRAM | Synchronous Graphics RAM |
| SIM | Subscriber Identity Module |
| SIMM | Single In-line Memory Module |
| SIP | Session Initiation Protocol |
| SIPP | Single In-line Pin Package |
| SIU | Serial Interface Unit |
| SLIP | Serial Line Interface Protocol |
| SMIME | Secure Multipurpose Internet Mail Extension |
| SMPS | Switch Mode Power Supply |
| SMS | Short Message Service s |
| SMTP | Simple Mail Transfer Protocol |
| SNAP | Sub Network Access Protocol |
| SNMP | Simple Network Management Protocol |
| SNOBOL | String Oriented Symbolic Language |
| SO-DIMM | Small Outline DIMM |
| SQL | Structured Query Language |
| SRAM | Static Random Access Memory |
| SSH | Secure Shell |
| SSL | Secure Sockets Layer |
| SVGA | Super Video Graphics Array |
| SW | Software |
| SYSOP | System Operator |
| TAPI | Telephony Application Programming Interface |
| TB | TERA BYTE |
| TBPS | Tera Bytes Per Second |
| TCP | Transmission Control Protocol |
| TCP/IP | Transmission Control Protocol/Internet Protocol |
| TDMA | Tone-Division Multiple Access wireless/cellphone protocol |
| Tel Net | Telecommunication Networking |
| TEMP | Temporary |
| TFT | Thin Film Transistor |
| TFTP | Trivial File Transfer Protocol |
| Thomas | The (U.S.) House (of Representatives) Open Multimedia Access System |
| TiB | TEBI BYTE |
| TIFF | Tagged Image File Format |
| TIPS | Trillion Instruction Per Second |
| TMP | Temporary |
| TWAIN | Technology Without Any Interesting Name (connection between application and scanner software) |
| TXT | Text |
| UAE | Unrecoverable Application Error |
| UART | Universal Asynchronous Receiver/Transmitter |
| UDMA | Ultra Direct Memory Access |
| UDP | User Datagram Protocol |
| UHF | Ultra High Frequency |
| UI | User Interface |
| UMB | Upper Memory Block (LIM/AST) |
| UMTS | Universal Mobile Telecommunication System |
| UNIVAC | Universal Automatic Computer/Universal Non Integrated Vacuum Actuated Computer |
| UNIX | (AT&T Bell Laboratories Operating System) |
| UPS | Uninterruptible Power Supply |
| UPS | Uninterruptible Power Supply |
| URL | Uniform Resource Locator |
| URL | Uniform Resource Locator |
| USB | Universal Serial Bus |
| USB | Universal Serial Bus |
| USE | NET User’s Network (Internet) |
| UUCP | Unix-To-Unix Copy Program |
| UXGA | Ultra XGA; see XGA; 1600×1200 pixels |
| VAN | Value Added Network |
| VAX/VMS | Virtual Address Extension/Virtual Memory System (DEC) |
| VCD | Video Compact Disk |
| VDT | Video Dial Tone + Video Display Terminal |
| VDU | Visual Display Unit |
| VFAT | Virtual File Allocation Table (Microsoft) |
| VGA | Video Graphics Array |
| VGA | Video/Visual Graphic Adapter |
| VGA | Video Graphics Array( IBM/Windows 640×480 color graphics display standard |
| VHF | Very High Frequency |
| VIRUS | Vital Information Resource Under Seized |
| VIRUS | Vital Information Resource Under Siege |
| VOIP | Voice Over Internet Protocol |
| VOIP | Voice Over Internet Protocol |
| VPN | Virtual Private Network |
| VRAM | Video Random Access Memory |
| VRAM | Video Random Access Memory |
| VRML | Virtual Reality Modeling Language |
| VxD | Virtual Extended Driver (Microsoft) |
| WAIS | Wide Area Information Server |
| WAN | Wide Area Network |
| WAP | Wireless Application Protocol |
| WBMP | Wireless Bitmap Image |
| WFW | Windows For Workgroups (Microsoft) |
| WIFI | Wireless fidelity |
| WIMAX | Worldwide Interoperability for Microwave Access |
| WINS | Windows Internet Name Service |
| WLAN | Wireless Local Area Network |
| WMA | Windows Media Audio |
| WML | Wireless Markup Language |
| WMV | Windows Media Video |
| WORM | Write Once Read Many |
| WORM | Write Once, Read Many |
| WP | WordPerfect + Word Processing + Write Protected |
| WPM | Words Per Minute |
| WRAM | Windows RAM (graphics card) |
| WS | WordStar + Workstation |
| WWW | World Wide Web |
| WYSIWYG | What You See Is What You Get |
| XGA | Extended Graphics Array (IBM)( generically, 1024×768 color standard |
| XHTML | Extensible Hyper Text Markup Language |
| XMF | Extensible Music File |
| XML | Extensible Markup Language |
| XMS | Extended Memory Specification |
| XSL | Extensible Style Language |
| XT | Extended Technology |
| Yahoo | Yet Another Hierarchical Officious Oracle |
| YB | YOTTA BYTE |
| YiB | YOBI BYTE |
| ZB | ZETTA BYTE |
| ZiB | Zebi Byte |
| ZIF | Zero-Insertion Force (socket) |
Computer Full Form List
| S.NO. | ABBREVIATION | COMPUTER FULL FORM |
|---|---|---|
| 1 | RAM | Random Access Memory |
| 2 | ROM | Read Only Memory |
| 3 | CPU | Central Processing Unit |
| 4 | URL | Uniform Resource Locator |
| 5 | USB | Universal Serial Bus |
| 6 | VIRUS | Vital Information Resource Under Siege |
| 7 | TCP | Transmission Control Protocol |
| 8 | UPS | Uninterruptible Power Supply |
| 9 | SATA | Serial Advanced Technology Attachment |
| 10 | PSU | Power Supply Unit |
| 11 | SMPS | Switched-Mode Power Supply |
| 12 | CD | Compact Disc |
| 13 | DVD | Digital Versatile Disc |
| 14 | CRT | Cathode Ray Tube |
| 15 | DEC | Digital Equipment Corporation |
| 16 | SAP | System Application and Products |
| 17 | PNG | Portable Network Graphics |
| 18 | IP | Internet Protocol |
| 19 | GIS | Geographical Information system |
| 20 | DDS | Digital Data Storage |
| 21 | CAD | Computer Aided Design |
| 22 | ACPI | Advanced Configuration and Power Interface |
| 23 | AGP | Accelerated Graphics Port |
| 24 | APM | Advanced Power Management |
| 25 | APIPA | Automatic Private Internet Protocol Addressing |
| 26 | HTTP | Hyper Text Transfer Protocol |
| 27 | HTTPS | Hyper Text Transfer Protocol Secure |
| 28 | GPU | Graphics Processing Unit |
| 29 | GDI | Graphics Device Interface |
| 30 | ICP | Internet Cache Protocol |
| 31 | GIGO | Garbage In Garbage Out |
| 32 | GMAIL | Graphical Mail |
| 33 | CAN | Campus Area Network |
| 34 | CAL | Computer Aided Leering |
| 35 | GPL | General Public License |
| 36 | GCR | Group Code Recording |
| 37 | MSN | Microsoft Networks |
| 38 | BCC | Blind Carbon Copy |
| 39 | VDI | Virtual Desktop Infrastructure |
| 40 | MPEG | Moving Picture Experts Group |
| 41 | TPU | Tensor Processing Unit |
| 42 | PSD | Photoshop Document |
| 43 | DPI | Dots Per Inch |
| 44 | FYA | For Your Action |
| 45 | CRS | Computer Reservation System |
| 46 | BFD | Binary File Descriptor |
| 47 | ABR | Available Bit Rate |
| 48 | GBPS | Gigabits Per Second |
| 49 | PING | Packet InterNet Groper |
| 50 | CSMA | Carrier Sense Multiple Access |
| 51 | AD | Active Directory |
| 52 | ADC | Analog to Digital Converter |
| 53 | BGP | Border Gateway Protocol |
| 54 | CSI | Common System Interface |
| 55 | DHCP | Dynamic Host Configuration Protocol |
| 56 | OSI | Open Systems Interconnection |
| 57 | LAN | Local Area Network |
| 58 | WAN | Wide Area Network |
| 59 | MAN | Metropolitan Area Network |
| 60 | PAN | Personal Area Network |
| 61 | MAC | Media Access Control |
| 62 | OMR | Optical Mark Recognition |
| 63 | NIC | Network Interface Card |
| 64 | LDAP | Lightweight Directory Access Protocol |
| 65 | UART | Universal Asynchronous Receiver-Transmitter |
| 66 | DCE | Distributed Computing Environment |
| 67 | PFA | Please Find Attached |
| 68 | HCI | Human Computer Interaction |
| 69 | FHS | Filesystem Hierarchy Standard |
| 70 | FCS | Frame Check Sequence |
| 71 | DVE | Digital Video Effects |
| 72 | DLL | Data Link Layer |
| 73 | CSV | Comma Separated Values |
| 74 | CTCP | Client–to–Client Protocol |
| 75 | ABI | Application Binary Interface |
| 76 | MIS | Management Information System |
| 77 | BIOS | Basic Input Output System |
| 78 | SMTP | Simple Mail Transfer Protocol |
| 79 | LTE | Long Term Evolution |
| 80 | AHA | Accelerated Hub Architecture |
| 81 | ALU | Arithmetic Logical Unit |
| 82 | FPU | Floating Point Unit |
| 83 | FXP | File Exchange Protocol |
| 84 | HID | Human Interface Device |
| 85 | IOS | iPhone Operating System |
| 86 | PATA | Parallel Advanced Technology Attachment |
| 87 | DDR | Double Data Rate |
| 88 | DFS | Distributed File System |
| 89 | MIPS | Million Instructions Per Second |
| 90 | MMC | Microsoft Management Console |
| 91 | VGCT | Video Graphics Character Table |
| 92 | WBMP | Wireless BitMap Image |
| 93 | PCM | Pulse-Code Modulation |
| 94 | WMA | Windows Media Audio |
| 95 | RAS | Remote Access Service |
| 96 | HTM | Hierarchical Temporal Memory |
| 97 | SIS | Security and Intelligence Services |
| 98 | LBA | Logical Block Addressing |
| 99 | CIDR | Classless Inter-Domain Routing |
| 100 | MIMO | Multiple-Input Multiple Output |
| 101 | PLC | Programmable Logic Controller |
| 102 | SCSI | Small Computer System Interface |
| 103 | NVRAM | Non-Volatile Random-Access Memory |
| 104 | BLOB | Binary large Object |
| 105 | VPN | Virtual Private Network |
| 106 | SFF | Small Form Factor |
| 107 | CAI | Computer–Aided Instruction |
| 108 | EMP | Electro-Magnetic Pulse |
| 109 | EIDE | Enhanced Integrated Drive Electronics |
| 110 | AAC | Advanced Audio Codec |
| 111 | IIOP | Internet Inter-ORB Protocol |
| 112 | ASL | Age Sex Location |
| 113 | MBSA | Microsoft Baseline Security Analyzer |
| 114 | ZIP | Zig-zag In-line Package |
| 115 | HSPA | High Speed Packet Access |
| 116 | VFS | Virtual File System |
| 117 | SIMD | Single Instruction Multiple Data |
| 118 | IPC | Inter-Process Communication |
| 119 | DAC | Discretionary Access Control |
| 120 | DKIM | Domain Keys Identified Mail |
| 121 | WIFI | Wireless Fidelity |
| 122 | PTP | Picture Transfer Protocol |
| 123 | IGRP | Interior Gateway Routing Protocol |
| 124 | HIG | Human Interface Guidelines |
| 125 | UNIVAC | Universal Automatic Computer |
| 126 | CIFS | Common Internet File System |
| 127 | HAL | Hardware Abstraction Layer |
| 128 | IPV6 | Internet Protocol Version 6 |
| 129 | CNR | Communication Network Riser |
| 130 | EISA | Extended Industry Standard Architecture |
| 131 | RPM | Red-Hat Package Manager |
| 132 | DLT | Distributed Ledger Technology |
| 133 | ISH | Information Super Highway |
| 134 | BY | Bronto-bytes |
| 135 | DTS | Digital Theater System |
| 136 | MSB | Most Significant Bit |
| 137 | HVD | Holographic Versatile Disk |
| 138 | MOSFET | Metal-Oxide Semiconductor Field Effect Transistor |
| 139 | AMR | Adaptive Multi-Rate |
| 140 | CMD | Command |
| 141 | BCD | Binary Coded Decimal |
| 142 | DMA | Direct Memory Access |
| 143 | EB | Exa-bytes |
| 144 | AVI | Audio Video Interleave |
| 145 | WLAN | Wireless Local Area Network |
| 146 | CAM | Computer Aided Manufacturing |
| 147 | RIFF | Resource Interchange File Format |
| 148 | TFTP | Trivial File Transfer Protocol |
| 149 | WUSB | Wireless Universal Serial Bus |
| 150 | HHD | Hybrid Hard Drive |
| 151 | HSDPA | High Speed Downlink Packet Access |
| 152 | AST | Abstract Syntax Tree |
| 153 | MSD | Most significant Digit |
| 154 | IRQ | Interrupt Request |
| 155 | DVI | Digital Visual Interface |
| 156 | SPARC | Scalable Processor Architecture |
| 157 | URI | Uniform Resource Identifier |
| 158 | EPROM | Erasable Programmable Read Only Memory |
| 159 | SAN | Storage Area Network |
| 160 | EBCDIC | Extended Binary Coded Decimal Interchange Code |
| 161 | MVS | Multiple Vendor System |
| 162 | NAS | Network Attached Storage |
| 163 | BPS | Bits Per Second |
| 164 | LPX | Low Profile Extension |
| 165 | HCL | Hardware Compatibility List |
| 166 | RTS | Real Time Streaming |
| 167 | RAID | Redundant Array of Inexpensive Disks |
| 168 | MUI | Multilingual User Interface |
| 169 | MFD | Multi-Function Device |
| 170 | CISC | Complex Instruction Set Computer |
| 171 | MBR | Master Boot Record |
| 172 | BINAC | Binary Automatic Computer |
| 173 | SGRAM | Synchronous Graphics Random Access Memory |
| 174 | DLP | Digital Light Processing |
| 175 | UEFI | Unified Extensible Firmware Interface |
| 176 | LLC | Logical Link Control |
| 177 | DOC | Document (Microsoft Corporation) |
| 178 | ARPANET | Advanced Research Projects Agency Network |
| 179 | ACL | Access Control List |
| 180 | RAIT | Redundant Array of Inexpensive Tapes |
| 181 | MMX | Multi-Media Extensions |
| 182 | STP | Spanning Tree Protocol |
| 183 | MLI | Multiple Link Interface |
| 184 | RIP | Routing Information Protocol |
| 185 | AIFF | Audio Interchange File Format |
| 186 | RMA | Returned Materials Authorization |
| 187 | EGP | Exterior Gateway Protocol |
| 188 | XMF | Extensible Music File |
| 189 | MTBF | Mean Time Between Failure |
| 190 | MIME | Multipurpose Internet Mail Extensions |
| 191 | SRAM | Static Random-Access Memory |
| 192 | SDR | Software-Defined Radio |
| 193 | PAP | Password Authentication Protocol |
| 194 | VRAM | Video Random Access Memory |
| 195 | WAP | Wireless Application Protocol |
| 196 | TGT | Ticket Granting Ticket |
| 197 | GIF | Graphics Interchange Format |
| 198 | TPM | Trusted Platform Module |
| 199 | SPSS | Statistical Package for the Social Sciences |
| 200 | ULSI | Ultra Large-Scale Integration |
| 201 | EIGRP | Enhanced Interior Gateway Routing Protocol |
| 202 | CDN | Content Delivery Network |
| 203 | NMI | Non-Maskable Interrupt |
| 204 | PPI | Pixels Per Inch |
| 205 | RJ45 | Registered Jack 45 |
| 206 | SEC | Single Edge Connector |
| 207 | BER | Bit Error Rate |
| 208 | OOPS | Object-Oriented Programming System |
| 209 | ATA | Advanced Technology Attachment |
| 210 | RISC | Reduced Instruction Set Computer |
| 211 | NFS | Network File System |
| 212 | SFC | System File Checker |
| 213 | ICR | Intelligent Character Recognition |
| 214 | BTX | Balanced Technology Extended |
| 215 | DOS | Disk Operating System |
| 216 | CTS | Clear to Send |
| 217 | AMD | Advanced Micro Devices |
| 218 | DVD | Digital Video Disc |
| 219 | CD-R | Compact Disk – Recordable. |
| 220 | BAL | Basic Assembly Language |
| 221 | UTF | Unicode Transformation Format |
| 222 | MIDI | Musical Instrument Digital Interface |
| 223 | BAT | Microsoft Batch Processing |
| 224 | VT | Video Terminal |
| 225 | HP | Hewlett Packard |
| 226 | URN | Uniform Resource Name |
| 227 | D2D | Device to Device |
| 228 | DSHD | Double Sided High Density |
| 229 | FDC | Floppy Disk Controller |
| 230 | SDN | Service Delivery Network |
| 231 | SBU | Standard Build Unit |
| 232 | MPL | Mozilla Public License |
| 233 | ENIAC | Electronic Numerical Integrator and Computer |
| 234 | CAQA | Computer–Aided Quality Assurance |
| 235 | ASF | Advanced Systems Format |
| 236 | VM | Virtual Machine |
| 237 | Mac | Macintosh |
| 238 | OS | Operating System |
| 239 | MNG | Multiple-image Network Graphics |
| 240 | CD-ROM | Compact Disk-Read Only Memory |
| 241 | MSB | Most Significant Byte |
| 242 | TCP/IP | Transmission Control Protocol/Internet Protocol |
| 243 | DMI | Desktop Management Interface |
| 244 | NTP | Network Time Protocol |
| 245 | PINE | Program for Internet News and Email |
| 246 | SSL | Secure Sockets Layer |
| 247 | BCR | Bar Code Reader |
| 248 | SPI | Serial Peripheral Interface |
| 249 | KBPS | Kilobits Per Second |
| 250 | TSI | Time Slot Interchange |
| 251 | ABC | Atanasoff-Berry Computer |
| 252 | YB | Yotta Byte |
| 253 | ZB | Zetta-bytes |
| 254 | WDDM | Windows Display Driver Model |
| 255 | ZIF | Zero-Insertion-Force |
| 256 | RDBMS | Relation Database Management System |
| 257 | MSI | Microsoft Installer |
| 258 | ISP | Internet Service Provider |
| 259 | WAV | Waveform Audio |
| 260 | TPS | Transaction Per Second |
| 261 | ISV | Independent Software Vendor |
| 262 | SXGA | Super Extended Graphics Array |
| 263 | GP | Graphics port |
| 264 | BGA | Ball Grid Array |
| 265 | SIS | Safety Instrumented System |
| 266 | CGI | Common Gateway Interface |
| 267 | Portable Document Format | |
| 268 | MMU | Memory Management Unit |
| 269 | PIC | Peripheral Interface Controller |
| 270 | NIU | Network Interface Unit |
| 271 | TPS | Transaction Processing System |
| 272 | VLSI | Very Large-Scale Integration |
| 273 | ESD | Electro Static Discharge |
| 274 | MAPI | Messaging Application Program Interface |
| 275 | KB | Kilo-bytes |
| 276 | DSL | Domain–Specific Language |
| 277 | PB | Peta-bytes |
| 278 | NAP | Network Access Point |
| 279 | MS-DOS | Microsoft Disk Operating System |
| 280 | WMV | Windows Media Video |
| 281 | MFA | Multi-Factor Authentication |
| 282 | GUI | Graphical User Interface |
| 283 | RIS | Remote Installation Service |
| 284 | ASCII | American Standard Code for Information Interchange |
| 285 | ELF | Executable and Linkable Format |
| 286 | WWAN | Wireless Wide Area Network |
| 287 | DFD | Data Flow Diagram |
| 288 | IRC | Internet Relay Chat |
| 289 | PC | Personal Computer |
| 290 | SDL | Software and Documentation Localization |
| 291 | WINS | Windows Internet Name Service |
| 292 | NOS | Network Operating System |
| 293 | UNICS | UNiplexed Information Computing System |
| 294 | DVR | Digital Video Recorder |
| 295 | XMS | Extended Memory Specification |
| 296 | LSI | Large-Scale Integration |
| 297 | STP | Shielded Twisted Pair |
| 298 | PCB | Process Control Block |
| 299 | AGA | Advanced Graphics Architecture |
| 300 | HSUPA | High-Speed Uplink Packet Access |
| 301 | ICS | Internet Connection Sharing |
| 302 | SOA | Service Oriented Architecture |
| 303 | WWW | World Wide Web |
| 304 | DLL | Dynamic Link Library |
| 305 | DAP | Direct Access Protocol |
| 306 | WMF | Windows Metafile |
| 307 | EVDO | Evolution Data Optimized Or Evolution Data Only |
| 308 | FAT | File Allocation Table |
| 309 | DTE | Data Terminal Equipment |
| 310 | PAL | Phase Alternation Line |
| 311 | VGA | Video Graphics Array |
| 312 | HSSI | High-Speed Serial Interface |
| 313 | SIMM | Single In-Line Memory Module |
| 314 | IPX | Internetwork Packet Exchange |
| 315 | BWF | Broadcast Wave Format |
| 316 | CRIMM | Continuity-Rambus Inline Memory Module |
| 317 | OOP | Object Oriented programming |
| 318 | RTOS | Real Time Operating System |
| 319 | DBSN | Database Source Name |
| 320 | IHV | Independent Hardware Vendor |
| 321 | ISR | Interrupt Service Routine |
| 322 | SOAP | Simple Object Access Protocol |
| 323 | FTP | File Transfer Protocol |
| 324 | DRAM | Dynamic Random-Access Memory |
| 325 | BSOD | Blue Screen of Death |
| 326 | HTX | Hyper Transport Expansion |
| 327 | LSTM | Long Short-Term Memory |
| 328 | DIVX | DIgital Video Express |
| 329 | UAC | User Account Control |
| 330 | CASE | Computer-Aided Software Engineering |
| 331 | HDMI | High Definition Multimedia Interface |
| 332 | VDC | Video Display Controller |
| 333 | AVC | Advanced Video Coding |
| 334 | CGA | Color Graphics Array |
| 335 | DPMS | Display Power Management Signaling |
| 336 | DBA | DataBase Administrator |
| 337 | P2P | Peer-To-Peer |
| 338 | MSI | Medium Scale Integration |
| 339 | EPP | Enhanced Parallel Port |
| 340 | EFS | Encrypting File System |
| 341 | MHz | Megahertz |
| 342 | WPAN | Wireless Personal Area Network |
| 343 | CAN | Controller Area Network |
| 344 | VDU | Video Display Unit |
| 345 | JPG | Joint Photographic Expert Group |
| 346 | MB | Mega-bytes |
| 347 | ENI | Elastic Network Interface |
| 348 | VPU | Visual Processing Unit |
| 349 | MTP | Media Transfer Protocol |
| 350 | MDI | Multiple Document Interface |
| 351 | TDR | Time Domain Reflectometer |
| 352 | WUXGA | Wide Ultra Extended Graphics Array |
| 353 | NAP | Network Access Protection |
| 354 | DWM | Desktop Window Manager |
| 355 | ERP | Enterprise Resource Planning |
| 356 | PPT | PowerPoint Presentation |
| 357 | LSB | Least Significant Byte |
| 358 | CCD | Charged Coupled Device |
| 359 | VCR | Video Cassette Recorder |
| 360 | EEPROM | Electrically Erasable Programmable Read-Only Memory |
| 361 | CRC | Cyclic Redundancy Check |
| 362 | XGA | Extended Graphics Array |
| 363 | LSB | Least Significant Bit |
| 364 | ZISC | Zero Instruction Set Computer |
| 365 | ISA | Instruction Set Architecture |
| 366 | HPC | High-Performance Computing |
| 367 | MSDN | Microsoft Developer Network |
| 368 | BPI | Bytes Per Inch |
| 369 | SVGA | Super Video Graphics Array |
| 370 | RDF | Resource Description Framework |
| 371 | MFP | Multi-Function Product |
| 372 | FCPGA | Flip Chip Pin Grid Array |
| 373 | ASR | Automated System Recovery |
| 374 | VAN | Value-Added Network |
| 375 | PIO | Programmed Input/Output |
| 376 | RGB | Red, Green, Blue |
| 377 | FDMA | Frequency-Division Multiple Access |
| 378 | SWF | Shock Wave Flash |
| 379 | EOF | End of File |
| 380 | POP | Post Office Protocol |
| 381 | CBEMA | Computer Business Equipment Manufacturers Association |
| 382 | GB | Giga-bytes |
| 383 | EDP | Electronic Data Processing |
| 384 | DIMM | Dual In-Line Memory Module |
| 385 | VM | Virtual Memory |
| 386 | SHDSL | Single-pair High-speed Digital Subscriber Line |
| 387 | WEP | Wired Equivalent Privacy |
| 388 | MBCS | Multi Byte Character Set |
| 389 | IPV4 | Internet Protocol Version 4 |
| 390 | MCR | Multivariant Curve Resolution |
| 391 | MTA | Mail Transfer Agent |
| 392 | BOSS | Bharat Operating System Solutions |
| 393 | ISC | Internet Storm Center |
| 394 | POST | Power on self-test |
| 395 | DTR | Data Terminal Ready |
| 396 | SMBIOS | System Management BIOS |
| 397 | HPFS | High Performance File System |
| 398 | SNMP | Simple Network Management Protocol |
| 399 | IIS | Internet Information Services |
| 400 | VPG | Virtual Private Gateway |
| 401 | CUA | Common User Access |
| 402 | NID | Network Interface Device |
| 403 | HDD | Hard Disk Drive |
| 404 | IMAP | Internet Message Access Protocol |
| 405 | VLC | Video LAN Client |
| 406 | ERD | Emergency Repair Disk |
| 407 | WPA | Wireless Protected Access |
| 408 | IOS | Internetwork Operating System |
| 409 | PKI | Public key Infrastructure |
| 410 | UDP | User Datagram Protocol |
| 411 | ISA | Industry Standard Architecture |
| 412 | TPDU | Transaction Protocol Data Unit |
| 413 | M3G | Mobile 3D Graphics |
| 414 | DTP | Desktop Publishing |
| 415 | PCI | Peripheral Component Interconnect |
| 416 | CAE | Computer–Aided Engineering |
| 417 | NTFS | New Technology File System |
| 418 | FDD | Floppy Disk Drive |
| 419 | IPP | Internet Printing Protocol |
| 420 | VLAN | Virtual Local Area Network |
| 421 | VXLAN | Virtual Extensible Local Area Network |
| 422 | CTL | Computation Tree Logic |
| 423 | DAT | Digital Audio Tape |
| 424 | BiDi | Bi–Directional |
| 425 | SVG | Scalable Vector Graphics |
| 426 | ECP | Extended Capabilities Port |
| 427 | TB | Tera-bytes |
| 428 | CMOS | Complementary Metal–Oxide–Semiconductor |
| 429 | OCR | Optical Character Reader |
| 430 | JPEG | Joint Photographic Experts Group |
| 431 | SONET | Synchronous Optical Networking |
| 432 | CCS | Common Command Set |
| 433 | CUPS | Common Unix Printing System |
| 434 | ENIAC | Electronic Numerical Integrator and Compute |
| 435 | IVR | Interactive Voice Response |
| 436 | HTPC | Home Theatre Personal Computer |
| 437 | HD | High Definition |
| 438 | EVC | Ethernet Virtual Circuit |
| 439 | NMS | Network Management System |
| 440 | UTP | Unshielded Twisted Pair-Cable |
| 441 | FDDI | Fiber Distributed Data Interface |
| 442 | HAN | Home Area Network |
| 443 | XMPP | Extensible Messaging and Presence Protocol |
| 444 | ISCSI | Internet Small Computer Storage Interface |
| 445 | PDP | Plasma Display Panel |
| 446 | VOIP | Voice Over Internet Protocol |