A/D – Analog-to-Digital
ABC – Atanasoff Berry Computer
ACM – Association for Computing Machinery
ADC – Analog to Digital Converter
ADC – Advanced Disk Catalog
ADCA – Advance Diploma in Computer Applications
AI – Artificial Intelligence
ALGOL – Algorithmic Language
ALU – Arithmetic Logic Unit
AMD – Advanced Micro Devices
API – Application Program Interface
APRANET – Advanced Research Project Agency Network
ASCII – American Standard Code for Information Interchange
ASP – Active Server Page
ASP – Application Service Provider
ATM – Automated Teller Machine
BARC – Bhabha Atomic Research Centre
BASIC – Beginner’s All-purpose Symbolic Instruction Code
BCD – Binary Coded Decimal
BIOS – Basic Inpute Output System
BIPS – Billions of Instructions Per Second
BPI – Bytes Per Inch
BSNL – Bharat Sanchar Nigam Limited
CAD – Computer Aided Design
CAE – Computer Aided Engineering
CAM – Computer-aided Manufacturing
CAN – Campus Area Network
CASE – Computer Aided Software Engineering
CD – Compact Disk
CDC – Control Data Corporation
CDMA – Code Division Multiple Access
CD-R – CD-Recordable
CD-ROM – Compact Disk Read Only Memory
CD-RW – CD Read/Write
CL – Command Language
CLI – Command Line Interface
COBOL – Common Business Oriented Language
CODASYL – Conference On Data Systems Languages
CPU – Central Processing Unit
CRM – Customer relationship management
CRT – Cathode Ray Tube
CSS – Cascading Style Sheets
D/A – Digital-to-Analog
DAC – Digital-to-Analog Converter
DAT – Digital Audio Tape
DBMS – Data Base Management System
DBS -Demand Based Switching
DCL – Data Control Language
DDL – Data Definition Language
DDS – Digital Data Storage
DEC – Digital Equipment Corporation
DFD – Data Flow Diagrams
DMA – Direct Memory Access
DNA – Digital Network Architecture
DNS – Domain Name System
DOS – Disk Operating System
DPI – Dots Per Inch
DRDO – Defence Research and Development Organisation
DRAM – Dynamic RAM
DSN – Distributed Systems Network
DTP – Desk-Top Publishing
DTS – Digital Theater System
DVD – Digital Video/Versatile Disk
EBCDIC – Extended Binary Coded Decimal Interchange Code
E-commerce – Electronic Commerce
EDP – Electronic Data Processing
EDSAC – Electronic Delay Storage Automatic Calculator
EDVAC – Electronic Discrete Variable Automatic Calculator
EFM – Eight-to-Fourteen Modulation
E Mail – Electronic Mail
ENIAC – Electronic Numerical Integrator And Computer
EPG – Electronic Programming Guide
EPIC – Explicitly Parallel Instruction Computing
EPROM – Erasable Programmable Read Only Memory
EEPROM – Electrically Erasable Programmable Read Only Memory
FAT – File Allocation Table
FDM – Frequency Division Multiplexing
FEP – Front End Processor
FLOPS – Floating Point Operations Per Second
FM – Frequency Modulation
FMS – File Management System
FORTRAN – Formula Translation
FSK – Frequency Shift Keying
FTP – File Transfer Protocol
GB – Giga Byte
GFLOPS – Gigaflops
GHz – Giga Hertz
GIS – Geographic Information System
GNU – Gnu’s Not Unix
GPRS – General Packet Radio Service
GSM – Global System for Mobile communication
GUI – Graphical User Interface
HP – Hewlett Packard
HSS – Hierarchical Storage System
HTML – Hyper Text Markup Language
HTTP – Hyper Text Transfer Protocol
IBM – International Business Machine
IC – Integrated Circuit
ICMP – Internet Control Message Protocol
IDN – Integrated Digital Networks
IMAP – Internet Message Access Protocol
IP – Internet Protocol
IrDA – Infrared Data Association
IRC – Internet Relay Chat
ISDN – Integrated Services Digital Network
ISP – Internet Service Provider
IT – Information Technology
JPEG – Joint Photographic Experts Group
JRE – Java Runtime Engine
JSP – Java Server Pages
KB – Kilo Bytes
KBPS – kilobyte per Second
KHz – Kilo Hertz
LAN – Local Area Network
LCD – Liquid Crystal Display
LED – Light Emitting Diode
LIFI – Light Fidelity
LPM – Line Per Minute
LSI – Large Scale Integration
MAN – Metropolitan Area Network
MAR – Memory Address Register
MB – Mega Byte
MBR – Memory Buffer Register
MBR – Master Boot Record
MHz – Mega Hertz
MICR – Magnetic Ink Character Recognition
MIDI – Musical Instrument Digital Interface
MIPS – Million Instructions Per Second
MNP – Microcom Networking Protocol
MNP – Mobile Number Portability
MODEM – Modulator-Demodulator
MPEG – Moving Picture Experts Group
MS-ACCESS – Microsoft Access
MS-DOS – Microsoft Disk Operating System
MS-EXCEL – Microsoft Excel
MSI – Medium Scale Integration
MS-WINDOWS – Microsoft Windows
MS-WORD – Microsoft Word
MTNL – Mahanagar Telephone Nigam Limited
MVT – Multiprogramming with a Variable Number of Tasks
NIC – Network Interface Card
NICNET – National Informatics Centre Network
NOS – Network Operating System
OCR – Optical Character Recognition
OMR – Optical Mark Recognition / Optical Mark Reading
OQL – Object Query Language
OS – Operating System
OSI – Open System Interconnection
OSS – Open Source Software
OSS – Operations support systems
PAN – Personal Area Network
PC – Personal Computer
PDF – Portable Document Format
PDL – Program Design Language
PDL – Page Description Language
PDP – Programed Data Processor
PIP – Peripheral Interchange Program
PNG – Portable Network Graphics
POP – Post Office Protocol
PROM – Programmable Read-Only Memory
PSTN – Public Switched Telephone Network
PSW – Program Status Word
QoS – Quality of Service
RAM – Random Access Memory
ROM – Read Only Memory
RPG – Report Program Generator
SCSI – Small Computer System Interface
SDLC – Software Development Life Cycle
SEQUEL – Structured English Query Language
SGML – Standard Generalized Markup Language
SIM – Subscriber Identity Module or Subscriber Identification Module
SIMM – Single In-line Memory Module
SMS – Short Message Service
SMPS – Switched-Mode Power Supply
SMTP – Simple Mail Transfer Protocol
SNA – Systems Network Architecture
SNMP – Simple Network Management Protocol
SNOBOL – StriNg Oriented and symBOlic Language
SQL – Standardized Query Language
SRAM – Static RAM
SSI – Small Scale Integration
TB – Tera Byte
TCP – Transmission Control Protocol
TDM – Time Division Multiplexing
UDP – User Datagram Protocol
ULSI – Ultra Large Scale Integration
UPC – Universal Product Code
UPS – Uninterruptible Power Supply or Uninterruptible Power Source
URL – Uniform Resource Locator
USB – Universal Serial Bus
UTF – Unicode Transformation Format
VAN – Value Added Network
VCR – Video Cassette Recorder
VDT – Video Display Terminal
VGA – Video Graphics Array
VLSI – Very Large Scale Integration
VOD – Video on Demand
VoIP – Voice over Internet Protocol
VSAT – Very Small Aperture Terminal
WAN – Wide Area Network
WAP – Wireless Application Protocol
WEP – Wired Equivalent Privacy
WIFI – Wireless Fidelity
WIMAX – Worldwide Interoperability for Microwave Access
WLAN – Wireless Local Area Network
WLL – Wireless Local Loop
WORM – Write Once Read Many
WWW – World Wide Web
XHTML – Extensible Hypertext Markup Language
XML – Extensible Markup Language
