NCO Sample Paper-14 -

1.

NCO

What is the purpose of a computer's firewall?

To create documents and presentations

To protect against unauthorized access and network threats

To manage computer hardware and software resources

To connect to the internet

2.

NCO

What does the acronym "USB" stand for?

Universal Serial Bus

Universal Storage Battery

United States Broadcasting

User Security Backup

3.

NCO

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

Microsoft Word

Adobe Photoshop

Windows

Microsoft Excel

4.

NCO

What is the purpose of a computer's email client software?

To connect to the internet

To protect against viruses and malware

To send and receive email messages

To create documents and presentations

5.

NCO

What is the purpose of a computer's scanner?

To control the cursor on the screen

To provide audio output

To store and retrieve data permanently

To convert physical documents into digital images