Computer = Commonly Operated Machine Particularly Used in Technical and
Educational Research
4 Nibble = 1 bits
8 bits =
1 byts1024 Bytes = 1 Kilo Byte ( KB )
1024 KB = 1 Mega Byte ( MB )
1024 MB = 1 Gyga Byte ( GB )
1024 GB = 1 Tera Byte ( TB )
1024 TB = 1 Peta Byte ( PB )
1024 PB = 1 Exa Byte ( EB )
1024 EB = 1 Zetta Byte ( ZB )
1024 ZB = 1 Yotta Byte ( YB )
ABC : Tans off – Berry computer
A/D : Analog to digital
GP : Graphics port
AI : Artificial intelligence
ALGOL : Algorithmic Language
ALU : Arithmetic Logic Unit
AM : Amplitude Modulation
AMD : Advanced Micro Devices
ANSI : American National standards Institute
ARPNET : Advanced Research Project Agency Network
ASIC : Application specific Integration circuit
ASCII : Americna Standard code for Information Interchange
ATM : Asynchronous Transfer Mode/Automatic Teller Machine
BARC : Bhabha Atomic Research centre
Basic : Beginners‟ All – Purpose symbolic In-suction code
BCD : Binary coded Decimal
BEMA : Business Equipment Manufactures association
BIOS : Basic Input Output system
BCR : Bar code Reader
BPI : Bytes per Inch
BPS : Bits Per Second
BSNL : Bhrat Snchar Nigm Limited
CAD : Computer Aided Design
CAL : Computer Aided Leering
CAM : Computer Aided Manufacturing
CD : Compact Disk
C-DAC : Centre for Development of Advanced computing
C-DOT : Centre for Development of Telemetric
CD-R : Compact Disk-Recordable
CD-ROM : Compact Disk-Read only Memory
CD-R/W : Compact Disk-Read/Write
Class : Computer Literacy and Studies in school
CMOS : Complementary Metal oxide semiconductor
COBOL : Common business oriented Language
CMY : Cyan – Magenta – Yellow
Comal : Common Algorithmic Language
CPI : Character Per Inch
CPS : Central Processing Unit
CRS : Compueriesed Reservation system
CRT : Cathode Ray tube
CTS : Clear to send
CU : Control Unit
D/a : Digital – to – Analog
DBMS : Data Base Management system
DDS : Digital Data Storage
DEC : Digital Equipment Corporation
DOS : Disk Operating system
DPI : Dots per Inch
DRDO : Defense Research and Development Organization
DSHD : Double sided high Density
DTP : Desk op publishing
DTR : Data Terminal Ready
DTS : Digital theater system
DVD : Digital Video/Versatile Disk
E-business : Electronicd business
E-Commerce : Electronic Commerce
E-Mail : Electronic Mail
EBCDIC : Exended binary coded Decimal In terchange Code
EDP : Electronic data processing
EEPROM : Electrically Erasable programmable Read only memory
EFT : Electronic fund Transfer
ENIAC : Electronic Numerical integrator and calculator
EPROM : Erasable programmable Read ony Memory
ERNET : Education and Research Network
EXE : Execution
FAT : file allocation table
FD : Floppy disk
FDM : Frequency division multiplexing
FET : Eifel Effect Transitory
FIFO : First – In, First – out
FILO : First In, Last Out
FM : Frequency Modulation
Fortran : Formula translation
FSK : Frequency shift Keying
FTP : file Transfer Protocol
GB : Giga Bytes
GIGO : Garbage in garbage out
GIS : Geographical information system
GPL : general public license
GPS : Global positioning system
GUI : Graphical user interface
HLL : High Level Language
HP : Hewlett Packard
HTML : Hyper Text Markup Language
HTTP : Hyper Text Tranfer Protocol
IBM : International business Machines
IC : Integrated Circuit
I/O : Input – Output
IP : Internet Protocol
IRC : Internet Relay chat
ISDN : Integrated services digital Network
ISH : Information super highway
ISO : International standards Organization
ISP : Internet service provider
IT : Information technology
JPEG : Joint Photographic expert group
JRE : Jav Runtime Engine
JSP : Java Server pages
KB : Kilo bytes
KIPS : Knowledge information processing system
LAN : Local Area Network
Laser : Light amplification for stimulated emission of radiation
LCD : Liquid crystal display
LD : Laser diode
LEd : Light – Emitting diode
LISP : Lit processing
LLL : Low Level language
LSD : Least significant digit
LSI : Least significant digit
LSI : Large scale integration
MAN : Metropolitan Area Network
MB : Mega Bytes
MHz : Mega Hertz
MICR : Magnetic Ink character recognition
MIDI : Musical instrument digital interface
MIPS : Million Instructions Per second
MODEM : Modulator – Demodulator
MOPS : Million operations per second
MOS : Metal oxide semiconductor
MPEG : Moving picture expert group
MP-3 : MPEG-I Audio Layer 3
MS : Microsoft
MSD : Most significant digit
MSD : Most significant digit
MSI : Medium scale Integration
MTBF : Mean time between Failure
MTNL : Mahanagar Telephone Nigam limited
NICNET : National Informatics centre Network
NIU : Network interface Unit
NTSC : National television standards committee
OCR : Optical character recognition
OMR : Optical Mark Reader
OOP : Object oriented programming
OS : Operating system
OSS : Open source software
PAL : Phase alternation Line
PC : Personal computer
PCB : Printed circuit board
PCI : Peripheral component interconnect
PDA : Personal digital Assistant
PDF : Portable document format
PL/1 : Programming language 1
PM : Phase modulation
POST : Power on self test
PPM : Pages per minute
Prolog : Programming in logic
PROM : Programmable Read only Memory
PSTN : Public switched telephone network
QAS : Quality assurance service
RAM : random access memory
RGB : Red, Green, blue
ROM : Read only Memory
RPG : Report program generator
RS-232 : Recommended standard 2-3-2
SCSI : Small computer system interface
SEQUEL : Structured English quer Language
SIMM : Single in line memory module
SSI : small scale integration
SVGA : Super Video graphics arrary
TB : Tera byte
TCP : Transmission control protocol
TDM : Time division multiplexing
ULSI : Ultra large scale Integration
UNIVAC : Universal Automatic computer
UPS : Uninterrupted power supply
URL : Uniform resource locater
USB : Universal serial bus
UVEprom : Ultra violet erasable programmable read only memory
VAN : Value aided network
VCR : Video cassette recorder
VDU : Video display unit
VGA : Video graphics array
Virus : Vital information resources under seize
VLSI : Very lage scle integration
VSNL : Videsh sanchar nigam limited.
WAN : Wide area network
WaP : Wireless application Protocol
WLL : Wireless local loop
WMP : Windows media player
WORM : Write once – read many
WWW : World wide web
XMS : Extended memory specification
2G : Second generation wireless networking
3G : Third generation wireless networking technology
CPU = Central Processing Unit
RAM = Random Access Memory
ROM = Read Only Memory
PROM = Programmable Read Only Memory
EPROM = Erasable PROM
EEPROM = Electrically EPROM
HDD = Hard Disk Drive
FDD = Floppy Disk Drive
KBD = KeyBoard
I/O = Input & Output
CD = Compact Disk
DVD = Digital Video Disk
SMPS = Switch Mode Power Supply
POST = Power ON Self Test
BIOS = Basic Input Output System
VDU = Visible Display Unit
LED = Light Embedded Diode
LCD = Liquid Crystal Display
USB = Universal Serial Bus
VGA = Video/Visual Graphic Adapter
LAN = Local Area Network
WAN = Wide Area Network
MAN = Metropolitan Area Network
HLL = High Level Language
LLL = Low Level Language
MIPS = Million of Instruction Per Second
Mbps = Mega Bytes Per second
Kbps = Kilo Bytes per second
HTTP = Hyper Text Templates
WWW = World Wide Web
IP = Internet Protocol
ISP = Internet Service Provider
HTTP - Hyper Text Transfer Protocol.
HTTPS - Hyper Text Transfer Protocol Secure.
IP - Internet Protocol.
URL - Uniform Resource Locator.
USB - Universal Serial Bus.
VIRUS - Vital Information Resource Under Seized.
3G - 3rd Generation.
GSM - Global System for Mobile Communication.
CDMA - Code Division Multiple Access.
UMTS - Universal Mobile Telecommunication System.
SIM - Subscriber Identity Module.
AVI - Audio Video Interleave
RTS - Real Time Streaming
SIS - Symbian OS Installer File
AMR - Adaptive Multi-Rate Codec
JAD - Java Application Descriptor
JAR - Java Archive
JAD - Java Application Descriptor
3GPP - 3rd Generation Partnership Project
3GP - 3rd Generation Project
MP3 - MPEG player lll
MP4 - MPEG-4 video file
AAC - Advanced Audio Coding
GIF - Graphic Interchangeable Format
JPEG - Joint Photographic Expert Group
BMP - Bitmap
SWF - Shock Wave Flash
WMV - Windows Media Video
WMA - Windows Media Audio
WAV - Waveform Audio
PNG - Portable Network Graphics
DOC - Document (Microsoft Corporation)
PDF - Portable Document Format
M3G - Mobile 3D Graphics
M4A - MPEG-4 Audio File
NTH - Nokia Theme (series 40)
THM - Themes (Sony Ericsson)
MMF - Synthetic Music Mobile Application File
NRT - Nokia Ringtone
XMF - Extensible Music File
WBMP - Wireless Bitmap Image
DVX - DivX Video
HTML - Hyper Text Markup Language
WML - Wireless Markup Language
CD - Compact Disk.
DVD - Digital Versatile Disk.
CRT - Cathode Ray Tube.
DAT - Digital Audio Tape.
DOS - Disk Operating System.
GUI - Graphical User Interface.
HTTP - Hyper Text Transfer Protocol.
IP - Internet Protocol.
ISP - Internet Service Provider.
TCP - Transmission Control Protocol.
UPS – Uninterruptible Power Supply.
HSDPA - High Speed Downlink Packet Access.
EDGE - Enhanced Data Rate for GSM [Global System for Mobile Communication]
Evolution.
VHF - Very High Frequency.
UHF - Ultra High Frequency.
GPRS - General Packet Radio Service.
WAP - Wireless Application Protocol.
TCP - Transmission Control Protocol .
ARPANET - Advanced Research Project Agency Network.
IBM - International Business Machines.
HP - Hewlett Packard.
AM/FM - Amplitude/ Frequency Modulation.
WLAN - Wireless Local Area Network
AVI - Audio Video Interleave
RTS - Real Time Streaming
SIS - Symbian OS Installer File
AMR - Adaptive Multi-Rate Codec
JAD - Java Application Descriptor
JAR - Java Archive
JAD - Java Application Descriptor
3GPP - 3rd Generation Partnership Project
3GP - 3rd Generation Project
MP3 - MPEG player lll
MP4 - MPEG-4 video file
AAC - Advanced Audio Coding
GIF - Graphic Interchangeable Format
JPEG - Joint Photographic Expert Group
BMP - Bitmap
SWF - Shock Wave Flash
WMV - Windows Media Video
WMA - Windows Media Audio
WAV - Waveform Audio
PNG - Portable Network Graphics
DOC - Document (Microsoft Corporation)
PDF - Portable Document Format
M3G - Mobile 3D Graphics
M4A - MPEG-4 Audio File
NTH - Nokia Theme (series 40)
THM - Themes (Sony Ericsson)
MMF - Synthetic Music Mobile Application File
NRT - Nokia Ringtone
XMF - Extensible Music File
WBMP - Wireless Bitmap Image
DVX - DivX Video
HTML - Hyper Text Markup Language
WML - Wireless Markup Language
CD - Compact Disk.
DVD - Digital Versatile Disk.
CRT - Cathode Ray Tube.
DAT - Digital Audio Tape.
DOS - Disk Operating System.
GUI - Graphical User Interface.
HTTP - Hyper Text Transfer Protocol.
IP - Internet Protocol.
ISP - Internet Service Provider.
TCP - Transmission Control Protocol.
UPS - Uninterruptible Power Supply.
URL - Uniform Resource Locator.
USB - Universal Serial Bus.
VIRUS - Vital Information Resource Under Seized.
3G - 3rd Generation.
GSM - Global System for Mobile Communication.
CDMA - Code Division Multiple Access.
UMTS - Universal Mobile Telecommunication System.
SIM - Subscriber Identity Module.
HSDPA - High Speed Downlink Packet Access.
EDGE - Enhanced Data Rate for
GSM - [Global System for Mobile Communication] Evolution.
VHF - Very High Frequency.
UHF - Ultra High Frequency.
GPRS - General Packet Radio Service.
WAP - Wireless Application Protocol.
TCP - Transmission Control Protocol .
ARPANET - Advanced Research Project Agency Network.
IBM - International Business Machine Corporation.
HP - Hewlett Packard.
AM/FM - Amplitude/ Frequency Modulation.
WLAN - Wireless Local Area Network
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