Frequently Used Abbreviations In Computer Technology And Their Meaning

We daily use some computer technological abbreviations that we don’t know what they stand for.
Below are some of the abbreviations and their meaning.
. ICT – Information and Communication Technology.
. POS – Point of sale
. RAM – Random Access Memory
. USB – Universal Serial Bus
. LCD – Liquid Crystal Display
. HD – Hard Drive/High Definition
. PDF – portable Document Format
. HTML – Hypertext Markup Language
. VPN – Virtual Private Network
. APN – Access Point Name
. IP – Internet Protocol
. GIF – Graphic Interchange Format
. MIS – Management Information System
. ROM – Read Only Memory
. GPS – Global Positioning System
. PC – Personal Computer
. ATM – Automatic/Automated Teller Machine
. HTTP – Hypertext Transfer Protocol
. URL – Uniform Resource Locator
. PDP – Programmable Data Processor
. VDU – Visual Display Unit
. CPU – Central Processing Unit
. LAN – Local Area Network
. WAN – Wide Are Network
. MAN – Metropolitan Area Network
. PAN – Personal Area Network
. 2D – Two Dimensional
. 3D – Three Dimensional
. WWW – World Wide web
. I/O – On/Off or Input/Output
. IBM – International Business Machine
. JPEG – Joint Photographic Expert Group
. GIGO – Garbage In Garbage Out
. DNS – Domain Name System
. MUA – Mail User Agent
. WYSIWYG – What You See Is What You Get
. PSU – Power Supply Unit
. DVD – Digital Video/ Versatile Disc
. BASIC – Beginners All-purpose Symbolic Instruction Code
. MB – Megabytes
. GB – Gigabytes
. Modem – MOdulator-DEModulator
. 4GL – Fourth Generation Language
. ISP – Internet Service Provider
. CD – Compact Disk
. OLE – Object Linking and Embedding
. OSI – Open System Interconnect
. OTP – One Time Program/Password
. FIFO – First In First Out
. SIMM – Single In-line Memory Module
. SQL – Structural Query Language
. CAD – computer Aided Design/Drawing
. TTL – Transistor Transistor Logic
. CRT – Cathode Ray Tube
. DMA – Direct Memory Access
. IC – Integrated Circuit
. UPS – Uninterrupted Power Supply System
. FTP – File Transfer Protocol
. DOS – Disk Operating System
. FORTRAN – Formulae Translator
. CGI – Computer Generated Imagery
. MDI – Multiple Document Interface
. SMS – Short Message Service.
. CBT – Computer Based Test/Training
. DSL – Digital Subscriber Line
. COM – Computer Output Microfilm
. MAR – Memory Address Register
. MDR – Memory Data Register
. ENIAC – Electronic Numerical Integrated Computer
. UNIVAC – Universal Automatic Computer
. MICR – Magnetic Ink Character Recognition
. HLL – High Level Language
. SSD – Solid State Drive
. RSI – Repetitive Strain Injury
. FC – Fiber Channel
. ATA – Advanced Technology Attachment
. SATA – Serial Advanced Technology Attachment
. D-SSD – DRAM-based Solid State Drive
. GUI – Graphic User Interface
. MTA – Message Transfer Agent
. COBOL – Common Business Oriented Language
. PSU – Power Supply Unit
. DBMS – Database Management System
. HVD – High-density Video Disk
. PDA – Personal Digital Assistant
. BIOS – Basic Input Output System
. SMTP – Simple Mail Transfer Protocol
. LSB – Least Significant Bit
.MSB – Most Significant Bit
. DIF – Differential Item Functioning
. hi-fi – High Fidelity
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