NCO Sample Paper-18 -

6.

NCO

What is the purpose of a computer's operating system?

To create and manage databases

To protect against viruses and malware

To manage computer hardware and software resources

To connect to the internet

7.

NCO

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

Monitor

Speaker

Mouse

Webcam

8.

NCO

What is the purpose of a computer's spreadsheet software?

To create and manipulate databases

To create documents and presentations

To manage computer hardware and software resources

To perform calculations and organize data in tables

9.

NCO

What is the purpose of a computer's firewall?

To protect against unauthorized access and network threats

To create and manage databases

To perform calculations and simulations

To provide audio output

10.

NCO

What is the purpose of a computer's keyboard?

To create and manage databases

To display images on the screen

To provide audio output

To input text and commands into the computer