NCO Sample Paper-19 -

1.

[NCO]

What is the purpose of a computer's modem?

To provide power to the computer

To connect various hardware components of the computer

To connect the computer to the internet

To manage computer hardware and software resources

2.

[NCO]

Which of the following is an example of an operating system?

Microsoft Word

Adobe Photoshop

Windows

Microsoft Excel

3.

[NCO]

What is the purpose of a computer's graphics card?

To convert digital signals into analog signals

To display images and videos on the screen

To create and manage databases

To connect the computer to a network

4.

[NCO]

What is the purpose of a computer's sound card?

To manage computer hardware and software resources

To control the cursor on the screen

To display images on the screen

To provide audio output

5.

[NCO]

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

To create and manage databases

To protect against viruses and malware

To perform regular backups of important data

To connect to the internet