Full Forms in Computer Science

GUI   -  Graphical User Interface

CUI  - character user interface

DOS - Disk Operating System 

MIPS - Million Instructions Per Second

RAM - Random Access Memory

ROM - Read Only Memory

Computer - Common Operating Machine Particularly used for Technological Engineering Research

CPU - Central Processing Unit 

PROM  - programmable read-only memory

EPROM - erasable programmable read-only memory

HDD - Hard disk drive

FDD - Flopy disk drive

I/O =Input/ Output

CD = Compact Disc 

DVD = digital versatile disc

SMPS = Switched-Mode Power Supply

POST =Power-On Self-Test 

BIOS =Basic Input/Output System

VDU =Visual Display Unit

LED = Light Emitting Diode

LCD =Liquid Crystal Display

USB =Universal Serial Bus

VGA =Video Graphics Array

LAN = Local Area Network

WAN =Wide Area Network

MAN =Metropolitan Area Network

HLL =HLL Lifecare Limited

CU - Control Unit
IBM - International Business Machines Corporation 
ENIAC- Electronic Numerical Integrator And Computer
LSIC- 

Large Scale Integrated Circuit EDSAC- Electronic Delay Storage Automatic Calculator DEC- Diethylcarbamazine Citrate FORTRN- Formula Translation UNIAC - UNIVersal Automatic Compute