Page 25 - modular4.0
P. 25
Chapter Profile
Imagine, you have a magical input device that can take any object
from the real world and put it into your computer. What would you
put in, and what would you want the computer to do with it?
Recap
A computer works in three steps: Input Process Output.
The devices that are used to enter data into the computer are known as input
devices.
The device that works on the input is called the processing device.
The devices which help us to get the results are called output devices.
Exercise
A. Tick ( ) the correct option.
1. Which of the following is the brain of the computer?
a. b.
c. d.
2. Which of the following is an input device?
a. b.
c. d.
3. Which of the following is a processing device?
a. b.
c. d.
Working of a Computer 23

