Chapter:- 3

Input and Output devices

  1. Answer the following questions :
  2. What is an input device? What is the role of input device?

Ans:- An input device is a device used to enter data instructions into the computer. The role of input device is to enter data and instructions into the computer.


  1. What is pointing device? Give an any three examples of pointing devices.

Ans:- A pointing device is an input device that allows the user to move, point or manipulate any object or text on the computer screen.

    The three examples of pointing devices are:

  1. Computer mouse.
  2. Joystick
  3. Touch pad