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Test Series

COMPUTER Related Abbreviation(Full Form)


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

API - Application Program Interface

APIC - Advanced Programmable Interrupt Controller

APM - Advanced Power Management

ASCII - American Standard Code for Information Interchange

ASIC - Application Specific Integrated Circuit

ASPI - Advanced SCSI ProgrammingInterface

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 - Bytes Per Second

bps - 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

CPLD - Complex Programmable Logic Device

CSR - Command Status Register

CRC - Cyclic Redundancy Check

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

DIMM - Dual Inline Memory Module

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

DTA - Disk Transfer Area

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

EMM - Expanded Memory Manager

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

HDD - Hard Disk Drive

HDX - Half-Duplex Transmission

HFS - Hierarchical File System

HPFS - High Performance File System


IBM - International Business Machines

I/O - Input/Output

IC - Integrated Circuit

IDE - Integrated Device Electronics

IEEE - Institute of Electrical and Electronic Engineers

IMP - Interface Message Processor

IP - Internet Protocol

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

ISR - Interrupt Service Routine

IVT - Interrupt Vector Table


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

LIF - Low Insertion Force

LIM - Lotus/Intel/Microsofts Expanded Memory Manager

LRU - Least-Recently Used

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

MESI - Modified/Exclusive/Shared/Invalid

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 - Most Significant Byte/bit

MSDOS - Microsoft's Disk Operating System

MSI - 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

NIC - Network Interface Card

NMI - Non-Maskable Interrupt

NMOS - Negatively doped Metal-Oxide Semiconductor

NOP - No OPeration NRU Not-Recently Used

NOS - Network Operating System

NSF - National Science Foundation

NTFS - New Technology File System

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 - Programmable Array Logic

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

PLA - Programmable Logic Array

PLCC - Plastic Leaded Chip Carrier

PLD - Programmable Logic Devices

PLL - Phase Locked Loop

PM - Preventive Maintenance

PMOS - Positively doped Metal-Oxide Semiconductor

PnP - Plug-and-Play

POST - Power On Self Test

PPP - Point-to-Point Protocol

PQFP - Plastic Quad Flat Pack

PROM - Programmable Read Only Memory

PSTN - Public Switched Telephone Network

PSP - Program Segment Prefix

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


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-Data

SLIP - Serial Line Internet Protocol

SMD - Surface Mount Device

SMT - Surface Mount Technology

SNA - System Network Architecture

SNR - Signal to Noise Ratio

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

SS - 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 - Transmission Control Protocol

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

USART - Universal Synchronous/Asynchronous Receiver/Transmitter

UDP - User Datagram Protocol

UMB - Upper Memory Block

USB - Universal Serial Bus

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 Recorder

VESA - 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-car

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

XNOR - Exclusive-NOR

XT - eXtended Technology


ZIF - Zero Insertion Force

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