Question

1. What is input unit of a computer system?
2. What is output unit of a computer system?
3. What is the job of Control Unit inside CPU?
4.What is the job of Arithmetic Logic Unit inside CPU?
5. Name four input devices and write the type of input that can be entered through them
into a computer system.
6 Name four output devices and write the type of output that can be exhibited through
them.​

Answer 1

1. An input device sends

information to a computer

system for processing.

2. An output device reproduces or display the

results of that processing.

5.the four input devices

that allows for input of

data to a computer.

• They are keyboard,mouse

microphone, webcam.

6.The four output devices

that recive the output of data

from another device.

• They are monitor , projector, speaker,CPU.

Answer 2

1. when people do any work from the computer which is used to give instructions is called input device .
2. the instructions comes from the computer is called output
3. cpu is the brain of computer ,it's do all thing of com
4. the instructions which is done for math mathmatics is called cpu
5. four input device is given below,keyword,keybord,mouse,electric