Chapter:- 3

Input and Output devices

3. Select the best answer :
4. The commonly used pointing devices are.
5. Trackball
6. Joystick

• Touchpad

1. All of these

Ans:-  iv. All of these.

 

1. ………… is the computer screen, which responds to the touch of a finger or other pointer.
2. Touchpad
3. Pointing stick

• Touch screen

1. None of the above

Ans:- iii. Touch screen.

1. The ………. Monitors are heavy and consume a lot of power.
2. CRT
3. LED

• LCD

1. None of the above

Ans:- iii. CRT

 

1. ……………. Is a device that can take an image from a video source and project it onto a large screen.
2. Webcam
3. Multimedia projector

• Digital camera

1. None of the above.

Ans:- ii. Multimedia projector.