What is a computer? Computer is an electronic device which operates on DC Voltage (12v,3.3v,5v)Daily used for various types of jobs in every field.
It consists of various parts and attachments:
1.Processor (CPU- Central processing unit).
2.Motherboard 3.Ram 4.Harddisk 5.SMPS 6.Keyboard 7.Mouse 8.Monitor 9.Cabinet (Box in which whole machine works) 10.Optical Drive. 11.Speakers 12.UPS-(Uninterrupted Power Supply) 13.Printer 14.Scanner