Computer Abbreviations A to Z



Here is a computer abbreviations list from A to Z (common and exam-friendly):

A

  • AI – Artificial Intelligence

  • ALU – Arithmetic Logic Unit

  • API – Application Programming Interface

  • ASCII – American Standard Code for Information Interchange

B

  • BIOS – Basic Input Output System

  • BIT – Binary Digit

  • BPS – Bits Per Second

  • BCD – Binary Coded Decimal

C

  • CPU – Central Processing Unit

  • CD – Compact Disc

  • CMOS – Complementary Metal Oxide Semiconductor

  • CUI – Character User Interface

D

  • DBMS – Database Management System

  • DDR – Double Data Rate

  • DVD – Digital Versatile Disc

  • DNS – Domain Name System

E

  • EEPROM – Electrically Erasable Programmable Read Only Memory

  • E-mail – Electronic Mail

  • EBCDIC – Extended Binary Coded Decimal Interchange Code

F

  • FAT – File Allocation Table

  • FTP – File Transfer Protocol

  • FLOPS – Floating Point Operations Per Second

G

  • GUI – Graphical User Interface

  • GHz – Gigahertz

  • GPU – Graphics Processing Unit

H

  • HDD – Hard Disk Drive

  • HTML – HyperText Markup Language

  • HTTP – HyperText Transfer Protocol

I

  • IC – Integrated Circuit

  • IP – Internet Protocol

  • I/O – Input / Output

J

  • JPEG – Joint Photographic Experts Group

  • JVM – Java Virtual Machine

K

  • KB – Kilobyte

  • Kbps – Kilobits Per Second

L

  • LAN – Local Area Network

  • LCD – Liquid Crystal Display

  • Linux – (Operating System name, not an abbreviation)

M

  • MB – Megabyte

  • MHz – Megahertz

  • MS-DOS – Microsoft Disk Operating System

  • मॉdem (MODEM) – Modulator Demodulator

N

  • NIC – Network Interface Card

  • NLP – Natural Language Processing

O

  • OS – Operating System

  • OCR – Optical Character Recognition

P

  • PDF – Portable Document Format

  • RAM – Random Access Memory

  • ROM – Read Only Memory

  • POST – Power On Self Test

Q

  • QoS – Quality of Service

R

  • RAM – Random Access Memory

  • RDBMS – Relational Database Management System

S

  • SQL – Structured Query Language

  • SSD – Solid State Drive

  • SMTP – Simple Mail Transfer Protocol

T

  • TCP – Transmission Control Protocol

  • TB – Terabyte

  • TFT – Thin Film Transistor

U

  • USB – Universal Serial Bus

  • UPS – Uninterruptible Power Supply

  • URL – Uniform Resource Locator

V

  • VDU – Visual Display Unit

  • VPN – Virtual Private Network

W

  • WAN – Wide Area Network

  • WWW – World Wide Web
  • Wi-Fi – Wireless Fidelity

X

  • XML – Extensible Markup Language

Y

  • Y2K – Year 2000

Z

  • ZIP – Zone Improvement Plan (used as file compression formate