1) ALU – Arithmetic and Logic Unit
2) MU – Memory Unit
3) VDU – Visual Display Unit
4) CUI – Character User interface
5) GUI – Grafical User Interface
6) CRT – Cathord Ray Tube
7) LCD – Liquid Crystal Display
8) AI – Arthifical Intelligent
9) ENIAC – Electronic Numeric Integrated and Calculator
10) CPU – Central Processing Unit
11) CU – Control Unit
12) UPS – Uninterrupted Power Supplyt
13) RAM – Random Access Memory
14) ROM – Read Only Memory
15) OS – Operating System
16) CD – Compact Disk
17) DVD – Digital Versatile Display
18) ATM – Automated Teller Machine
19) POST – Power On Self Test
20) PC – Personal Computer
21) IBM – International Business Machine
22) PDA – Personal Digital Assistant
23) DPI – Dots Per Inch
24) FDD – Floppy Disk Drive
25) LED – Light Emitting Diode
26) CD-R – CD-Recordable
27) CD-RW – CD-Re-Writeable
28) BIOS – Basic Input Output System
29) VLSI – Very Large-scale Integration
30) XT – Extended Technology
31) AT – Advance Technology
32) OCR – Optical Character Reader
33) OMR – Optical Mark Reader
34) MICR – Magnetic Ink Character Rider
35) CGA – Color Grafic Adapter
36) VGA – Video Grafic Adapter
37) SVGA – Super Video Grafic Adapter
38) WORM – Write Once Read Manytimes
39) FourGL – Fourth Generation Language
40) IC – Integrated Circuit
41) DOS – Disk Operating System