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Full Forms

1G First Generation
2G Second Generation
3G Third Generation
4G Fourth Generation
A/F Audio Frequency
ACM Association for Computing Machinery
ADC Analog Digital Converter
ADCCP Advanced Data Communication Control Procedure
AI Artificial Intelligence
ALGOL Algorithmic Language
ALU Arithmetic Logic Unit
AM Amplitude Modulation
AMD Arithmetic Processor
AMI Alternate Mark Inversion
ANSI American National Standard Institute
API Application Programming Interface
APL A Programming Language
AR Accumulator Register
ARPANET Advanced Research Projects Agency Network
ASCII American Standard Code for Information Interchange
ASK Amplitude Shift Key
ASP Active Server Pages
ATM Automatic Teller machine
AUI Attachment Unit Interface
B2B Business to Business
B2C Business to Consumer
BARC The Bhabha Atomic Research Centre
BASIC Beginner’s All-Purpose Symbolic Instruction Code
BCD Binary Coded Decimal
BCR Bar-Code Reader
BIOS Basic Input Output System
BNA Burroughs Network Architecture
BNC Bayonne Neill Concelman
BnZS Bipolar n-Zero Substitution
BPI Byte per Inch
bps Bits per Second
Bps Bytes per Second
BSA Branch and Save Return Address
BSNL Bharat Sanchar Nigam Limited
BTB Branch Target Buffer
BUN Branch Unconditionally
CAD Computer Aided Design
CAM Content Addressable Memory
CAN Converged Network Adapter
CAPTHCA Completely Automated Public touring Test to Tell Computers and   Humans Apart
CB radio Citizens Band radio
CCD Charge-Coupled Device
CCITT Consultative Committee on International Telegraphy and Telephony
CCP Communication Control Port
CCW Channel Command Word
CD Carrier Detect
CD RW Compact Disc Read and Write
CDMA Code Division Multiple Access
C-DOT Code Division Multiple Access
CDROM Compact Disk Read Only Memory
CGI Common Gateway Interface
CISC Complex Instruction Set Computer
CLASS Computer Literacy and Studies In school
CLR Clear
CMOS Complementary Metal Oxide Semiconductor
COBOL Common Business Oriented Language
CODASYL Conference on Data System Language
COM Computer Output Microfilm
CPI Character per Inch
CPP Calling Party Pays
CPU Central Processing Unit
CRC Cyclic Redundancy Check
CRT Cathode Ray Tube
CSS Cascading Style Sheet
CTS Clear to Send
CU Control Unit
CWP Current Window Pointer
DAC Digital Analog Converter
DASD Direct Access Storage Device
DBMS Data Base Management System
DCL Digital Command Language
DCP Data Communication Processor
DDL Data Definition Language
DDNS Dynamic Domain Name System
DEC Digital Equipment Corporation
DECNET Digital Equipment Corporation Network
DFD Data Flow Diagram
DGM Data Grade Medium
DHTML Dynamic Hyper Text Markup Language
DIPS Data Information Processing System
DLE Data Link Escape
DMA Direct Memory Access
DML Data Manipulation Language
DNA Digital Network Architecture
DNS Domain Name System
DPI Dots Per Inch
DR Data Register
DRAM Dynamic Random access memory
DRDO The Defense Research And Development Organization
DSL Digital Subscriber lines
DSN Distributed System Network
DSP Digital Signal Processor
DSR Data Set Ready
DTE Data Terminal Equipment
DTL Diode Transistor Logic
DTP Desk Top Publishing
DTR Data Terminal Ready
DTS Desk Top System
DVD Digital Versatile Disk
EASCII Extended American Standard Code For Information Interchange
EBCDIC Extended Binary-Coded Decimal Interchange Code
ECL Emitter Coupled Logic
ECMA European Computer Manufacturers Association
E-Commerce Electronic Commerce
EDGE Enhanced Data Rate for Global Evolution
EDP Electronic Data Processing
EDSAC Electronic Delay Storage Automatic Calculator
EDVAC Electronic Discrete Variable Automatic Computer
EEPROM Electronically Erasable Programmable Read Only Memory
EHF Extremely High Frequency
EIA Electronic Industries Association
Email Electronic Mail
ENAC Electronic Numerical Integrator and Computer
ENIAC Electronic Numerical Integrated and Calculator
EPROM Erasable Programmable Read Only Memory
FA Full Adder
FAT File Allocation Table
FAX For Away Xerox
FCC Federal Communication Commission
FDM Frequency Division Multiplexing
FEP Front End Processors
FIFO First in First out
FLOPS Floating Operation per Second
FLOSS Free Libre and Open Source Software
FM Frequency Modulation
FORTRAN Formula Translation
FOSS Free and Open Source Software
FPGA Field Programmable Gate Array
FQDN Fully Qualified Domain Name
FSF Free Software Foundation
FSK Frequency Shift Keying
FSK Frequency Shift Key
FTP File Transfer Protocol
GB Giga Byte
GNU GNU’s NOT Unix
GPL General Public License
GPRS General Pocket Radio Service
GSM Global System for Mobile
GTLD Generic Top Level Domain
GUI Graphical User Interface
HA Half Adder
HDL Hardware Description Language
HDLC High-Level Data Link Control
HDM Head Mount Device
HF High Frequency
HLR Home Location Register
HTML Hyper Text Markup Language
HTTP Hypertext Transfer Protocol
I/O Port Input / Output Port
I/O R Input/Output Register
IANA Internet Assigned Number Authority
IAP Internet Access Provider
IBM International Business Machine
IC Integrated Circuit
ICANN Internet Corporation of Assigned Names and Numbers
ICMP Internet Control Message Protocol
IDEN Integrated Digital Enhanced Network
IEEE Institute of Electrical and Electronic Engineers
IETF Internet Engineering Task Force
IMP Interface Message Processor
INPR Input Register
INR Increment
IOP Input and Output Processor
IOP Input Output Processor
IOS iPhone Operation system
IP Internet Protocol
IPCP IP Control Protocol
IR Instruction Register
ISAM Indexed Sequential Access Method
ISDN Integrated Service Digital Network
ISH Information Super Highway
ISO International Standard Organization
ISP Internet Service Provider
IT Information Technology
ITU International Telecommunication Union
JIS Japanese Industrial Standard
JSP Java Server Pages
KBPS Kilo Byte Per Second
KIPS Knowledge Information Processing System
LAN Local Area Network
LAN Local Area Network
LCD Liquid Crystal Display
LCP Link Control Protocol
LD Load
LD Laser Diode
LDU Liquid Display Unit
LED Light Emitting Diode
LF Low Frequency
LIFO Last in First out
LIPS Logic Information Processing System
LISP List Processing
LISP Local Internet Service Provider
LRC Longitudinal Redundancy Check
LRU Least Recently Used
LSB Least Significant Bit
LSI Large Scale Integration
LTE Long Term Evolution
MAC Media Access Control
MAN Metropolitan Area Network
MAR Memory Address Register
MB Mega Byte
MBM Magnetic Bubble Memory
MBR Memory Buffer Register
MF Medium Frequency
MICR Magnetic Ink Character Reader
MICR Magnetic Ink Character Recognition
MIMD Multiple Instruction Stream, Multiple Data Stream
MIME Multipurpose Internet Mail Extensions
MIME Multipurpose Internet Mail Extension
MIPS Millions of Instruction per Second
MISD Multiple Instruction Stream, Single Data Stream
MIT Massachusetts Institute of Technology
MLT – 3 Multiline Transmission, Three Level
MODEM Modulator – Demodulator
MOPS Millions of Operation per Second
MOS Metal-Oxide Semiconductor
MRI Memory Reference Instruction
MS ACCESS Microsoft Access
MS DOS Microsoft Disc Operating System
MS EXCEL Microsoft Excel
MS WINDOWS Microsoft Windows
MS WORD Microsoft Word
MSB Most Significant Bit
MSI Medium Scale Integration
MTA Mail Transfer Agent
MTNL Mahanagar Telephone Nigam Limited
MUX Multiplexer
NAL National Aerospace Laboratories
NAP Network Access Point
NAS Network Attached Storage
NBS National Bureau of Standards
NCP Network Control Protocol
NIC Network Interface Card
NICNET National Information Center Network
NIU Network Interface Unit
NMOS n-Channel Metal Oxide Semiconductor
NNTP Network News Transfer Protocol
NRZ Non-Return-to-Zero
NRZ – I Non Return to Zero – Invert
NRZ – L Non Return to Zero – Level
NSF National Science Foundation
NSP National service Provider
OCR Optical Character Reader
OMR Optical Mark Reader
OS Operating System
OSI Open Source Initiative
OSI Model Open System Interconnection Model
OSS Open Source Software
OUTR Output Register
PAM Pulse Amplitude Modulation
PAN Personal Area Network
PC Program Counter
PC Personal Computer
PCM Pulse code Modulation
PCR Program Control Register
PDA Personal Data Assistance
PDF Portable Document Format
PDL Program Design Language
PHP Hypertext Preprocessor
PL 1 Programming Language 1
PL/I Programming Language One
PLA Programmable Logic Array
PM Phase Modulation
PM Phase Modulation
PMOS p-Channel Metal Oxide Semiconductor
POP Point of Presence
POS Product of Sums
POS Point of Sales
PPP Point to Point Protocol
PQDN Partially Qualified Domain Name
PRIMENET Prime Computer Network
PROLOG Programming in Logic
PROM Programmable Read Only Memory
PSK Phase Shift Key
PSTN Public Switched Telephone Network
PSW Program Status Word
PVC Polyvinyl Chloride
QAM Quadrature Amplitude Modulation
RAM Random access memory
RISC Reduced Instruction Set Computer
RISP Regional Internet Service Provider
RJ-45 Registered Jack-45
RMM Read Mostly Memory
RPG Report Program Generator
RPN Reverse Polish Notation
RTCP Real-Time Transport Control Protocol
RTS Request to Respond
RWM Read Write Memory
RZ Return-to-Zero
SAAS Software As a service
SAM Sequential Access Memory
SC Sequence Counter
SCSI Port Small Computer System Interface Port
SCTP Stream Control Transmission Protocol
SDLC Synchronous Data Link Control
SGML Standard Generalized Markup Language
SHF Super High Frequency
SIM Subscriber Identification Module
SIMD Single Instruction Stream, Multiple Data Stream
SISD Single Instruction Stream, Single Data Stream
SLIP Serial Line Internet Protocol
SMDS Switched Multi-megabit Data Services
SMS Short Message Service
SMSC Short Message Service Centre
SMTP Simple Mail Transfer Protocol
SNA System Network Architecture
SNOBOL String Oriented Symbolic Language
SNR Signal to noise ratio
SOP Sum of Products
SQL Structured Query Language
SRAM Static Random access memory
SSI Small Scale Integration
STP Shielded Twisted Pair
TAP Terminal Access Point
TB Terra Byte
TCP Transmission Control Protocol
TDM Time Division Multiplexing
TDMA Time Division Multiple Access
TFT Thin Film Transistor
TLB Translation Lookaside Buffer
TR Temporary Register
TTL Transistor-Transistor logic
UART Universal Asynchronous Receiver Transmitter
UDP User Datagram Protocol
UHF Ultra High Frequency
ULSI Ultra Large Scale Integration
UMTS Universal Mobile Telecommunication System
UNIVAC Universal Automatic Computer
UPC Universal Product Code
UPS Uninterruptible Power Supply
URI Uniform Resource Identifier
URL Uniform Resource Locator
URN Uniform Resource Name
USB Universal Serial Bus
USC Unique Spreading Code
UTP Unshielded Twisted Pair
VB Visual Basic
VDT Video Display Terminal
VDU Video Display Unit
VFIR Very Fast Infrared
VGM Voice Grade Medium
VHF Very High Frequency
VHSIC Very High Speed Integrated Circuit
VLF Very Low Frequency
VLSI Very Large Scale Integration
VPN Virtual Private Network
VSNL Videsh Sanchar Nigam Limited
W3C World Wide Web Consortium
WAIS Wide Area Information Server
WAN Wide Area Network
WIMAX World Wide Interoperability For Microwave Access
WLL Wireless Local Loop
WLL or WiLL Wireless in Local Loop
WORM Write Once Read Many
WWW World Wide Web
XML Extensible Markup Language
ZIP Zone Information Protocol