Computer Abbreviations and Full Forms: 180+ Important Terms for IT Students

 

Computer Abbreviations and Their Full Forms

Computer Abbreviations and Full Forms: 180+ Important Terms for IT Students

Abbreviation	Full Form
AU	Arithmetic Unit
ASCII	American Standard Code for Information Interchange
ACM	Association for Computing Machinery
ANSI	American National Standards Institute
APL	A Programming Language
AI	Artificial Intelligence
AMD	Advanced Micro Devices
ATM	Automated Teller Machine
BIOS	Basic Input/Output System
BCR	Bar Code Reader
bps	Bits per second
BLOG	Web log
BASIC	Beginner’s All-purpose Symbolic Instruction Code
BIT	Binary Digit
BCD	Binary-Coded Decimal
BPI	Bytes per inch
BMP	Bitmap
CPU	Central Processing Unit
CD	Compact Disc
CU	Control Unit
CRM	Customer Relationship Management
CPS	Characters per second
CAD	Computer-Aided Design
CAM	Computer-Aided Manufacturing
CUI	Character User Interface
CMOS	Complementary Metal-Oxide-Semiconductor
COMPUTER	Commonly Operated Machine Particularly Used for Technical Education and Research (a teaching mnemonic, not a standard technical acronym)
CAI	Computer-Assisted Instruction
CMI	Computer-Managed Instruction
CIO	Computer Information Officer (as written in the source; this expansion is uncommon and should be verified against the original class reference)
CIS	Computer Information System
COBOL	Common Business-Oriented Language
CMYK	Cyan, Magenta, Yellow, Key (Black)
CRT	Cathode-Ray Tube
CBX	Computerised Branch Exchange
C-DAC	Centre for Development of Advanced Computing
CD-R	Compact Disc-Recordable
CD-ROM	Compact Disc Read-Only Memory
CD-RW	Compact Disc-Rewritable
DC	Digital Camera
DPI	Dots per inch
DNS	Domain Name System
DOS	Disk Operating System
DMA	Direct Memory Access
DBMS	Database Management System
DPMA	Data Processing Management Association
DEC	Digital Equipment Corporation
DSS	Decision Support System
DRAM	Dynamic Random-Access Memory
DTP	Desktop Publishing
DM	Disk Manager
DNA	Digital Network Architecture
DVD	Digital Versatile Disc
E-mail	Electronic Mail
EFT	Electronic Funds Transfer
ENIAC	Electronic Numerical Integrator and Computer
EDSAC	Electronic Delay Storage Automatic Calculator
EDVAC	Electronic Discrete Variable Automatic Computer
EPROM	Erasable Programmable Read-Only Memory
EEPROM	Electrically Erasable Programmable Read-Only Memory
EDI	Electronic Data Interchange
ECR	Electronic Cash Register
EBCDIC	Extended Binary-Coded Decimal Interchange Code
EAROM	Electrically Alterable Read-Only Memory (the handwritten entry appears as “EAPROM”; the standard term is EAROM)
FTP	File Transfer Protocol
FAX	Facsimile
FORTRAN	Formula Translation
FAT	File Allocation Table (the handwritten entry appears as “FNT”)
FDD	Floppy Disk Drive
GUI	Graphical User Interface
GIS	Geographic Information System
GB	Gigabyte
GIGO	Garbage In, Garbage Out
GIF	Graphics Interchange Format
HTML	Hypertext Markup Language
HTTP	Hypertext Transfer Protocol
HLL	High-Level Language
HP	Hewlett-Packard
HDD	Hard Disk Drive
IBM	International Business Machines
IC	Integrated Circuit
IP	Internet Protocol
ISP	Internet Service Provider
IT	Information Technology
I/O	Input/Output
ITAA	Information Technology Association of America
IRM	Information Resource Management
ISDN	Integrated Services Digital Network
ISCII	Indian Script Code for Information Interchange (the handwritten entry appears as “ISCI”)
IEEE	Institute of Electrical and Electronics Engineers
ISO	International Organization for Standardization
JPEG	Joint Photographic Experts Group
KB	Kilobyte
LU	Logic Unit
LPM	Lines per minute
LAN	Local Area Network
LP	Laser Printer
LSI	Large-Scale Integration
LED	Light-Emitting Diode
LCD	Liquid Crystal Display
LLL	Low-Level Language
LSB	Least Significant Bit
MICR	Magnetic Ink Character Recognition
MU	Memory Unit
MAN	Metropolitan Area Network
MODEM	Modulator-Demodulator
MIS	Management Information System
MITS	Micro Instrumentation and Telemetry Systems
MOS	Metal-Oxide-Semiconductor
MP	Microprocessor
Mbps	Megabits per second (the handwritten entry says “MBPS” and describes millions of bytes; Mbps is the standard symbol for megabits per second)
MASM	Microsoft Macro Assembler
MB	Megabyte
MSB	Most Significant Bit
MIDI	Musical Instrument Digital Interface
MP3	MPEG-1 Audio Layer III
MPEG	Moving Picture Experts Group
NIP	Non-Impact Printer
NTFS	New Technology File System
NE	Norton Editor
NDD	Norton Disk Doctor
NIC	Network Interface Card
NOS	Network Operating System
OCR	Optical Character Recognition
OMR	Optical Mark Recognition
OOP	Object-Oriented Programming
OA	Office Automation
OS	Operating System
OLE	Object Linking and Embedding
OSI	Open Systems Interconnection
PPM	Pages per minute
PDA	Personal Digital Assistant
PC	Personal Computer
PROM	Programmable Read-Only Memory
PPI	Pixels per inch
PCM	Pulse-Code Modulation
PBX	Private Branch Exchange
PABX	Private Automatic Branch Exchange
POL	Procedure-Oriented Language
PB	Petabyte
PCB	Process Control Block
PDF	Portable Document Format
PVC	Polyvinyl Chloride
PNG	Portable Network Graphics
RAM	Random-Access Memory
RTF	Rich Text Format
ROM	Read-Only Memory
RDBMS	Relational Database Management System
RPG	Report Program Generator
RISC	Reduced Instruction Set Computer
RGB	Red, Green, Blue
SSI	Small-Scale Integration
SRAM	Static Random-Access Memory
SSL	Secure Sockets Layer
SDK	Software Development Kit
SGML	Standard Generalized Markup Language
TCP	Transmission Control Protocol
TB	Terabyte
TCP/IP	Transmission Control Protocol/Internet Protocol
TIFF	Tagged Image File Format
UPS	Uninterruptible Power Supply
URL	Uniform Resource Locator
ULSI	Ultra-Large-Scale Integration
USB	Universal Serial Bus
UNIVAC	Universal Automatic Computer
VDU	Visual Display Unit
VLSI	Very-Large-Scale Integration
VCR	Video Cassette Recorder
VAN	Value-Added Network
VIRUS	Vital Information Resources Under Siege (a teaching mnemonic, not the technical origin of the word “virus”)
VPN	Virtual Private Network
VRD	Voice Recognition Devices
VoIP	Voice over Internet Protocol
WAN	Wide Area Network
WWW	World Wide Web
WORM	Write Once, Read Many
WYSIWYG	What You See Is What You Get
WAP	Wireless Application Protocol
WLAN	Wireless Local Area Network
WLL	Wireless Local Loop
XML	Extensible Markup Language
2G	Second Generation
3G	Third Generation
3GL	Third-Generation Language
4GL	Fourth-Generation Language
TTF	TrueType Font
PPD	PostScript Printer Description
OTF	OpenType Font