Important abbreviations In Computer

 

AC	Alternating Current
ACK	Acknowledgement
ADD	Addendum
AI	Artificial Intelligence
ALGOL	Algorithmic Language
ALU	Arithmetic and Logic Unit
AM	Amplitude Modulation
AMP	Active Monitor Present
ANS	American National Standard
ANSI	American National Standard Institute
API	Application Program Interface
APL	A Programming Language
APPC	Advanced Program to Program Communication
ARPANET	Advanced Research Project Agency Network
ASCII	American Standard Code for Information Interchange
ASK	Amplitude Shift Keying
ATM	Automatic Teller Machine
AT & T	American Telephone and Telegraph
AUI	Attachment Unit Interface
AWG	American Wire Gauge
BASIC	Beginners All  Purpose Symbolic Instruction Code
BBS	Bulletin Board Service
BCD	Binary Coded Decimal
BHCA	Busy Hour Call Attempts
BIOS	Basic Input Output System
BISYNC	Binary Synchronous Communications
BIT	Binary Digit
BIU	Bus Interface Unit
BSI	British Standard Institution
CAD	Computer Aided Design
CAE	Computer Aided Engineering
CAI	Computer Aided Instruction
CAM	Computer  Aided Manufacturing
CASE	Computer Aided Software Engineering
CATV	Community Antenna Television
CBX	Computerized Branch Exchange
CCB	Coin Collection Box
CCIT	Consultative Committee on International Telegraph and Telephony
CCT	Computer Compatible Tape
CCTV	Closed Circuit TV
CEN	European Committee for Standardization
CENELEC	European Committee Standards Co-ordinating Committee
CGA	Colour Graphics Adapter
CHLL	CCITT High Level Language
CI	Cluster Interface
CICS	Customer Information Control System
CLIP	Connectionless Internet Protocol
CLNS	Connectionless Network Protocol
CMOS	Complementary Network for Manufacturing Applications
COBOL	Common Business Oriented Language
CODEC	Coder Decoder
COM	Computer Output Microfilm
CP/M	Computer Program for Microcomputer
CPS	Character Per Second
CPU	Central Processing Unit
CRC	Cyclic Redundancy Check Character
CRCC	Cyclic Redundancy Check Character
CRT	Cathode Ray Tube
CSMA	Carrier Sense Multiple Access
CSMA/CA	Carrier Sense Multiple Access/Collision Avoidance
CSMA/CD	Carrier Sense Multiple Access/Collision Detection
DAD	Draft Amendment Document
DARPA	Defense Advanced Research Projects Agency
DAT	Draft Audio Tape
DBMS	Database Management System
DC	Direct Current
DCE	Data Circuit-Terminating Equipment
DEC	Data Equipment Corporation
DES	Data Encryption Standard
DIBI	Device Independent Backup Interface
DID	Direct Inward Dialing
DIS	Draft International Standard
DIU	Data Interface Unit
DIX	Digital Intel Xerox
DM	Disconnect Mode
DMA	Direct Memory Access
DNA	Digital Network Architecture
DOD	Department Of Defense
DOS	Disk Operating System
DOV	Data Over Voice
DP	Draft Proposal
DSAP	Destination Service Access Point
DSS	Digital Switching System
DTE	Data Terminal Equipment
DTMF	Dual Tone Multi Frequency
EBCDIC	Extended Binary Coded Decimal Interchange Code
ECMA	European Computer Manufacturers Association
ESCA	Exchange Carriers Standards Association
EDI	Electronic Data Interchange
EDIFACT	Electronic Data Interchange for Administration, Commerce and Transport
EDP	Electronic Data Processing
EEC	European Economic Community (Common Market)
EFT	Electronic Fund Transfer
EGA	Enhanced Graphics Adapter
EISA	Extended Industry Standard Architecture
EMI	Electro – Magnetic Interface
ENIAC	Electronic Numerical Integrator And Calculator
EOF	End of File
EOQ	Economic Order Quantity
EPROM	Erasable Programmable Read Only Memory
FAT	File Allocation Table
FAX	Facsimile System
FCS	Frame Check Sequence
FDDI	Fibre Distributed Data Interface
FDM	Frequency Division Multiplexing
FIFO	First-In-First-Out
FM	Frequency Modulation
FNP	Front-End Network Processor
FORTAN	Formula Translator
FSK	Frequency Shift Keying
FTAM	File Transfer, Access and Management
FTP	File Transfer Protocol
GB	Giga Bytes
GHz	Giga Hertz
GIGO	Garbage In Garbage Out
GKS	Graphical Kernal System
GPIB	General Purpose Interface Bus
GUI	Graphical User Interface
HAM	Hybrid Access Method
HDLC	High – level Data Link Control
HIPO	Hierarchy and Input/Processing /Output(diagram)
HSC	Hierarchical Storage Controller
HSLN	High- Speed Local Network
IBM	International Business Machine
IC	Integrated Circuit
ICMP	Internet Control Message Protocol
IDE	Integrated Device Electronics
IEEE	Institute of Electronical and Electronic Engineers
INTELSAT	International Telecommunications Satellite
I/O	Input /Output
IP	Internet Protocol
IPX	Internetwork Packet Exchange
ISD	International Subscriber Dialing
ISDN	Integrated Services Digital Network
ISO	International Standard Organization
ISA	Industry Standard Architecture
LAN	local Area Network
LBT	listen Before Talk
LCC	lost Calls Cleared
LCD	Liquid Crystal Display
LDDI	Local Distributed Data Interface
LED	Light Emitting Diode
LIFO	Last-In-First-Out
LIM EMS	Lotus/Intel/Microsoft Expanded Memory Specification
LISP	List Processor
LLC	Logical Link Control
LRCC	Longitudinal Redundancy Check Character
LSI	Large Scale Integration
LU	Logical Unit
LWT	Listen  While Talk
MAC	Medium Access Control
MAN	Metropolitan Area Network
MAP	Manufacturing Application Protocol
MAU	Medium Access Unit
MAX	Main Automatic Exchange
Mb	Mega bits
MB	Mega Byte
Mbit/s	Mega-bits per second
MHS	Message Handling Service
MHz	Mega – Hertz
MICR	Magnetic Ink Character Recognition
MIPS	Million Instruction Per Second
MIS	Management Information System
MMFS	Manufacturing Message Format Standard
MML	Man-Machine Language
MMS	Manufacturing Message System
MODEM	Modulator-Demodulator
MOTIS	Message Oriented Text Interchange System
MS-DOS	Microsoft Disk Operating System
MSI	Medium Scale Integration
MTBF	Mean Time Between Failure
NAK	Negative Acknowledgement
NBS	National Bureau of Standards
NC	Numerical Control. Program control of a machine tool
NCB	Network Control Block
NCC	Network Control Centre
NETBIOS	Network basic input/output System
NFS	Network File System
NI	Network Interconnected
NIC	Network Interface Card
NIU	Network Interface Unit
NMI	Non- Maskable Interrupt
NOS	Network Operating System
NRZ	Non- Return to Zero
OA	Office Automation
OBL	Ocean Bill of Leading
OCR	Optical Character Recognition
OEM	Original Equipment Manufacturer
OOPS	Object Oriented Programming System
OR	Operation Research
OS	Operating System
OS/2	Operating System /2
OSI	Open System Interconnection
PABX	Private Automatic Branch Exchange
PBX	Private Brach Exchange
PC	Personal Computer
PCB	Printed Circuit  Board
PCM	Pulse Code Modulation
PCSA	Personal Computing System Architecture
PDN	Public Data Network
PERT	Program Evaluation and Review Technique
POS	Point of Sale
PROM	Programmable Read Only Memory
PSDN	Packet Switching Data Network
PSI	Packet Net System Interface
PSK	Phase Shift Keying
PSTN	Public Switched Telephone Network
PTT	Postal, Telegraph and Telephone
PVC	Polyvinyl Chloride
QBE	Query By Example
RAM	Random Access Memory
RAX	Rural Automatic Exchange
RDBMS	Relational Data base Management System
RE	Frame Reject
RFI	RADIO Frequency Interface
RH	Relative Humidity
RNR	Receiver Not Ready
ROM	Read Only Memory
RPC	Remote Procedure Call
RPG	Report Program Generator
RPM	Revolutions Per Minute
RPS	Revolution Per Second
SAGE	Same Automatic Ground Environment
SAP	Service Access Point
SCSI	Small Computer System Interface
SDF	System Data Format
SDL	Specification and Description Language
SDLC	Synchronous Data Link Controller
SFT	System Fault Tolerance
SIMD	Single Instruction Multi- Data Stream
SIMULA	Simulation Language
SMAP	Station Management Application Protocol
SNA	System Network Architecture
SNOBOL	String Oriented Symbolic Language
SNS	Secondary Network Server
SPS	Stored Program Control
SQL	Structure Query Language
SSI	Small Scale Integration
STD	Subscriber Trunk Dialing
TAG	Technical Advisory Group
TAX	Trunk Automatic Exchange
TCP	Transmission Control Protocol
TCP/IP	Transmission Control Protocol/Internet Protocol
TD/M	Time – Division Multiplexing
TIU	Trusted Interface Switching
TMS	Time – Multiplexed Switching
TOP	Technical and Office Protocol
TP	Transport Protocol
TSI	Time-Slot Interchange
TOP	Technical  and Office Protocol
TP	Transport Protocol
TSI	Time-Slot Interchange
TTS	Transaction Tracking System
UA	Unnumbered Acknowledgement
UDF	User Defined Function
UDP	User Datagram Protocol
UI	Unnumbered Information
UPC	Universal Product Code
UPS	Un-interruptible Power Supply
VAN	Value –Added Network
VDU	Visual Display Unit
VGA	Video Graphic Array
VLSI	Very Large Scale Integration
VSAM	Virtual Storage Access Method
VTP	Virtual Terminal Protocol
WAN	Wide Area Network
WATS	Wide Area Telephone Service
WBS	Work Breakdown Structure
WDM	Wave Division Multiplexing
WP	Word Processor
XDR	External Data Representation
XID	Exchange Identification
XNS	Xerox Network Service