Computer is an electronic device use to compute the things. It is a programmed device used to perform high speed operations. There are two main parts of computer
1- Computer Hardware is the physical parts of computer.
2-Computer Software that tell the computer what to do.
devices which take input from user called input devices e.g keyboard, joystick, mouse etc.
devices which produce output are called output devices e.g
monitor , speaker , printer etc.
Parts of Computer:
There are four main parts of computer
1- Central Processing Unit (CPU)
Q-How Computer Works?
Ans:Computer works in three steps
1-User input required command.
2-CPU process on it.
3-Then shows the output on display.
-Types of Computer Systems