NCO Sample Paper-10 -

1.

NCO

What is the function of a computer mouse?

To display images and text

To control the cursor on the screen

To provide audio output

To store and retrieve data

2.

NCO

Which of the following is an example of an output device?

Scanner

Mouse

Printer

3.

NCO

What is the purpose of a computer's CPU (Central Processing Unit)?

To store and retrieve data

To provide audio output

To execute instructions and perform calculations

To control the cursor on the screen

4.

NCO

What does the acronym "CPU" stand for?

Central Processing Unit

Computer Power Unit

Central Program Unit

Computer Processing Unit

5.

NCO

What is the purpose of a computer's keyboard?

To display images and text

To control the cursor on the screen

To provide audio output

To input text and commands