Here Is a Some List of Important Computer Related Full Forms

Now I wanna to tell you Here is the List of Most Important Full Forms of Computer Relating Terms which arranged in categorize like internet,Hardware/peripheral,Memory Units,Keyboards related and Some famous Domain names so that you can better identify and differentiate among them . But the word "COMPUTER" is not an correct abbreviation to have a full form, It is a word generated with the English word "Compute" that means to Calculate.

Lets Start from here :-

  • ALU : - Arithmetic logic unit
  • ACPI : Advanced Configuration and Power Interface
  • AC : Alternating Current
  • AM : Amplitude Modulated
  • AMD : Advanced Micro Devices, Inc.
  • AMD : Advanced Micro Devices, Inc.
  • AMI : American Megatrends Inc.
  • ANSI : American National Standards Institute
  • APIC: Advanced Programmable Interrupt Controller
  • APM: Advanced Power Management
  • ASCII: American Standard Code for Information Interchange
  • ASIC: Application Specific Integrated Circuit
  • ASPI: Advanced SCSI Programming Interface
  • AT: Advanced Technology
  • ATA: AT Bus Attachment
  • ATAPI: ATA Packet Interface
  • ATM: Asynchronous Transfer Mode
  • BBS: Bulletin Board System
  • BCC: Block Check Character
  • BSC: Binary Synchronous Communications
  • BSD: Berkeley Standard Distribution
  • BTU: British Thermal Units
  • BCD: Binary Coded Decimal
  • BIOS: Basic Input / Output System
  • BNC: Bayonet Nut Connector
  • BPS/bps: Bytes/bits Per Second
  • CAM: Computer Aided Manufacturing
  • CAD: Computer Aided Design
  • CAS: Column Address Strobe
  • CPU - Central Processing Unit
  • CPI: Clocks Per Instruction
  • CR: Carriage Return
  • CUI - Composite User Interface
  • CRT - Cathode Ray Tube
  • CRC: Cyclical Redundancy Check
  • CD: Carrier Detect & Compact Disc
  • CD-R - Compact Disc-Recordable
  • CD-RW - Compact Disc-ReWritable
  • CD-ROM - Compact disc read-only memory
  • CGA: Color Graphics Adapter
  • CHS: Cylinder Head Sector
  • COMPUTER - Common Oriented Machine Particularly Used for Trade Education and Research
  • CMOS: Complementary Metal-Oxide Semiconductor
  • CSR: Command Status Register
  • CTS: Clear To Send
  • DVI - Digital Visual Interface
  • DVD - Digital Video Disc or Digital Versatile Disc
  • DAT: Digital Audio Tape
  • DC: Direct Current
  • DCD: Data Carrier Detect
  • DCE: Data Circuit-terminating Equipment
  • DD: Double Density
  • DEC: Digital Equipment Corporation
  • DIP: Dual-In-line Package
  • DMA: Direct Memory Access
  • DMI: Desktop Management Interface
  • DOS: Disk Operating System
  • DPE: Data Parity Error
  • DRAM: Dynamic Random Access Memory
  • DS: Double Sided
  • DSP: Digital Signal Processor
  • DSR: Data Set Ready
  • DTC: Data Terminal Controller
  • DTE: Data Terminating Equipment
  • DTR: Data Terminal Ready
  • EBCDIC: Extended Binary Coded Decimal Interchange Code
  • EC: Error Check
  • ECC: Error Check and Correction
  • ECP: Enhanced Communication Port
  • ECU: EISA Configuration Utility
  • EDO: Extended Data Out RAM
  • EEPROM: Electrically Erasable Programmable Read Only Memory
  • EGA: Enhanced Graphics Adapter
  • EIA: Electronic Industries Association
  • EIDE: Enhanced Integrated Device Electronics
  • EISA: Enhanced Industry Standard Architecture
  • EMI: Electro-Magnetic Interference
  • EMF: Electro-Magnetic Force
  • EMS: Expanded Memory Specification
  • EOF: End Of File
  • EOL: End Of Line
  • EPP: Enhanced Parallel Port
  • EPROM: Erasable Programmable Read Only Memory
  • ESCD: Extended System Configuration Data
  • ESD: Electro-Static Discharge
  • ESDI : Enhanced Small Devices Interface
  • FTP - File Transfer Protocol
  • FAT: File Allocation Table
  • FCC: Federal Communications Commission
  • FDD: Fixed/Floppy Disk Drive
  • FDDI: Fiber Distributed Data Interface
  • FDM: Frequency Division Multiplexing
  • FDX: Full-Duplex Transmission
  • FE: Front End
  • FEP: Front End Processor
  • FF: Form Feed
  • FIFO: First-In First-Out
  • FILO: First-In Last-Out
  • FM: Frequency Modulation
  • FPGA: Field Programmable Gate Array
  • FPM: Fast Page Mode RAM
  • FPU: Floating Point Unit
  • FRC: Functional Redundancy Checking
  • FRU: Field-Replaceable Unit
  • FSF: Free Software Foundation
  • FSK: Frequency Shifty Keying
  • GUI - Graphical user interface
  • GAS: Gallium Arsenide
  • GFLOPS: Billions of Floating Point Operations Per Second
  • HTML – Hyper Text Markup Language
  • HD: High Density / Hard Disk
  • HDD: Hard Disk Drive
  • HDX: Half-Duplex Transmission
  • HFS: Hierarchical File System
  • HPFS: High Performance File System
  • IBM - International Business Machines, Indian Bureau of Mines
  • I/O: Input/Output
  • IC: Integrated Circuit
  • IDE: Integrated Device Electronics
  • IEEE: Institute of Electrical and Electronic Engineers
  • IMP: Interface Message Processor
  • IPC: Inter Process Communication
  • IPX: Inter network Packet eXchange
  • IRQ: Interrupt ReQuest
  • ISA: Industry Standard Architecture
  • ISDN: Integrated Services Digital Network
  • ISO: International Standards Organization
  • JFS: Journalized File System
  • KNI: Katmai New Instructions
  • KVA: KiloVolt-Amps
  • LBA: Linear Block Array / Addressing
  • LCD - Liquid crystal display
  • LAN - Local area network
  • LOGO - Language of Graphic-Oriented
  • LED: Light Emitting Diode
  • LF: Line Feed
  • LIM: Lotus/Intel/Microsoft’s Expanded Memory Manager
  • LRU: Least-Recently Used
  • LSB/lsb: Least Significant Byte/bit
  • LSI: Large Scale Integration
  • LUN: Logical Unit Number
  • LASER - Light Amplification by Stimulated Emission of Radiation
  • MAN - Metropolitan area network
  • MIPS - Microprocessor without Interlocked Pipeline Stages
  • MSo - Micro Soft Office, Multi system operator
  • MB/Mb: Mega Bytes/bits
  • MBR: Master Boot Record
  • MCA: Micro Channel Architecture
  • MCGA: Multi-Color Graphics Array
  • MCM: Multi-Chip Module
  • MDRAM: Multi-bank RAM
  • MFLOPS: Millions of FLOating Point Operations per Second
  • MFM: Modified Frequency Modulated
  • MHz: MegaHertz
  • MICR: Magnetic Ink Character Recognition
  • MIDI: Musical Instrument Data Interface
  • MIMD: Multiple-Instruction Multiple-Data
  • MISD: Multiple-Instruction Single Data
  • MMX: Multi-Media Extensions
  • MNP: Microcom Network Protocol
  • MODEM: MOdulator / DEModulator
  • MOPS: Millions of Operations Per Second
  • MOS: Metal-Oxide Semiconductor
  • MP: Multi-Processor
  • MPP: Massively Parallel Processor
  • MPS: Multi-Processor System
  • MSB/msb: Most Significant Byte/bit
  • MSDOS: Microsoft’s Disk Operating System
  • SI : Medium Scale Integration
  • MTBF: Mean Time Between Failure
  • N/C: No-Connect
  • NBS: National Bureau of Standards
  • NEMA: National Electrical Manufacturers Association
  • NFS: Network File System
  • NFU: Not-Frequently Used
  • NMI: Non-Maskable Interrupt
  • NMOS: Negatively doped Metal-Oxide Semiconductor
  • NOP: No OPeration NRU Not-Recently Used
  • NSF: National Science Foundation
  • NVRAM: NonVolatile Random Access Memory
  • OCR: Optical Character Recognition
  • ODI: Open Data link Interface
  • OEM: Original Equipment Manufacturer
  • OS: Operating System
  • OSF: Open Software Foundation
  • OSI: Open Systems Interconnect
  • PAL/PLA: Programmable Array Logic / Logic Array
  • PB: Push Button
  • PBX: Private Branch eXtender
  • PC: Personal Computer, Program Counter
  • PCB: Printed Circuit Board
  • PCI: Peripheral Component Interconnect
  • PCM: Pulse Code Modulation
  • PCMCIA: Personal Computer Memory Card International Association
  • PE: Processor Element
  • PFF: Page Fault Frequency
  • PGA: Professional Graphics Array
  • PGA: Pin Grid Array
  • PIC: Programmable Interrupt Controller
  • PIO: Programmed Input / Output
  • PIROM: Processor Information ROM
  • PLCC: Plastic Leaded Chip Carrier
  • PLL: Phase Locked Loop
  • PM: Preventive Maintenance
  • PMOS: Positively doped Metal-Oxide Semiconductor
  • PnP: Plug-and-Play
  • POST: Power On Self Test
  • vPPP: Point-to-Point Protocol
  • PQFP: Plastic Quad Flat Pack
  • PROM: Programmable Read Only Memory
  • PSTN: Public Switched Telephone Network
  • PTE: Page Table Entry
  • QAM: Quadrature Amplitude Modulation
  • QFP: Quad Flat Pack
  • QIC: Quarter Inch Cartridge
  • RAM - Random-access memory
  • RAID: Redundant Arrays of Inexpensive Disks
  • RAMDAC: Random Access Memory Digital to Analogue Converter
  • RAS: Row Address Strobe
  • RCA: Radio Corporation of America
  • RCC: Routing Control Center
  • RDRAM: Rambus DRAM
  • RFC: Request For Comments
  • RFI: Radio Frequency Interference
  • RI: Ring Indicator
  • RISC: Reduced Instruction-Set Computer
  • RLL: Run Length Limited
  • RMS: Root Mean Squared
  • RMW: Read Modify Write
  • ROM: Read Only Memory
  • RPC: Remote Procedure Call
  • RPM: Rotations Per Minute
  • RTC: Real Time Clock
  • RTS: Request To Send
  • SAM: Sequential Access Memory
  • SASI: Shugart Associates Standard Interface
  • SCSI: Small Computer Systems Interface
  • SD: Single Density
  • SDLC: Synchronous Data Link Control
  • SDRAM: Synchronous Dynamic RAM
  • SDRAM DDR: Double Data Rate SDRAM
  • SDRAM BDDR: Bi-Directional Strobed DDR SDRAM
  • SE: Systems Engineer
  • SEC: Single Edge Contact
  • SFF: Small Form Factor
  • SGRAM: Synchronous Graphics RAM
  • SMS - Short Message Service
  • SIMD: Single-Instruction Multiple-Data
  • SIMM: Single Inline Memory Module
  • SIPP: Single Inline Pinned Package
  • SISD: Single-Instruction Single-Dat
  • SLIP: Serial Line Internet Protocol
  • SMD: Surface Mount Device
  • SMT: Surface Mount Technology
  • SNA: System Network Architecture
  • SNR: Signal to Noise Ratio
  • SO/SOL: Small Out Line
  • SOIC: Small Outline Integrated Circuit
  • SPOOL: Simultaneous Peripheral Operation On Line
  • SPT: Sectors Per Track
  • SPU: Single Processor Unit
  • SRAM: Static Random Access Memory
  • vSS: Single Sided
  • STDM: Synchronous Time Division Multiplexing
  • STN: Super Twisted Nematic
  • STU: Streaming Tape Unit
  • SVGA: Super Video Graphics Array
  • TCM: Trellis Code Modulation
  • TCP/IP: Transmission Control Protocol / Internet Protocol
  • TDM: Time Division Multiplexing
  • TI: Texas Instruments
  • TIA: Telecomm Industry Association
  • TLB: Translation-Look aside Buffer
  • TPI: Tracks Per Inch
  • TSR: Terminate and Stay Resident
  • TTL: Transistor-Transistor Logic
  • UAE: Unrecoverable Application Error
  • UART: Universal Asynchronous Receiver/Transmitter
  • UDP: User Datagram Protocol
  • UMB: Upper Memory Block
  • UNIX: A trademark used for a computer disk operating system
  • UPS : Uninterruptible power supply
  • USL : UNIX System Labs
  • UUCP : < UNIX to UNIX Copy Program
  • VIRUS : Vital Information Resources Under Seize
  • VDU : Visual Display Unit
  • VBE : Video BIOS Extensions
  • VCR : Video Cassette RecorderVESA: Video Enhanced Standards Association
  • VGA : Video Graphics Array
  • VLB : VESA Local Bus
  • VLIW : Very Long Instruction Word
  • VLSI : Very Large Scale Integration
  • VM : Virtual Memory
  • VME : Versa Module Euro-card
  • VRAM : Video Random Access Memory
  • VRT : Voltage Reduction Technology
  • VTR : Video Tape Recorder
  • WAN : Wide area network
  • WATS : Wide Area Telephone Service
  • WD : Western Digital
  • WORM : Write Once - Read-Many
  • WRAM : Window Random Access Memory
  • WS : Wait State
  • WWW : World Wide Web
  • XGA : eXtended Graphics Array
  • XMS : Extended Memory Specification
  • XOR : Exclusive-OR
  • XT : eXtended Technology
  • ZIF : Zero Insertion Force

I hope you enjoyed this article.

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Akash is a co-founder and an aspiring entrepreneur who keeps a close eye on open source, tech giants, and security. Get in touch with him by sending an email (

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