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Subject :NCO    Class : Class 2

Which of the following states the CORRECT difference between the given two devices?

A It is a pointing device. It is not a pointing device.
B It can be connected to the computer. It cannot be connected to the computer.
C It is used to give input to the computer. It is used to display output to the outside world.
D It can be used to draw pictures on screen. It cannot be used to draw pictures on screen.


Ans 1: (Master Answer)

Class : Class 1

Answer:D

The device shown on the left side is of mouse and the one that is shown on the right side is of joystick.
Joystick is a pointing device, it can be connected to the computer, it is used to give input to the computer and it cannot be used to draw pictures on screen, it is commonly used to play games on computer screen.


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