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Class-4, Computer, 2020-06-26

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.Β The role of input device is to enter data and instructionsΒ into the computer.

Β 

  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.

Β  Β  The three examples of pointing devices are:

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

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