Computer Viruses - JSS3 Computer Studies Past Questions and Answers - page 1

1

What is a computer virus designed to do?

A

Enhance system performance

B

Replicate and spread maliciously

C

Boost internet speed

D

Provide cybersecurity tips

correct option: b
Users' Answers & Comments
2

Which of the following is an example of a computer virus that spread via email in 2000?

A

WannaCry

B

ILOVEYOU

C

Stuxnet

D

Mydoom

correct option: b
Users' Answers & Comments
3

How can a computer virus be introduced into a system?

A

Through official software updates

B

Via secure websites

C

Infected email attachments, malicious websites, and software downloads

D

Through routine system maintenance

correct option: c
Users' Answers & Comments
4

Which type of computer virus targets the boot sector of a computer's hard drive?

A

File-infecting virus

B

Macro virus

C

Boot sector virus

D

Ransomware

correct option: c
Users' Answers & Comments
5

What is a common symptom of a computer virus attack?

A

Improved system performance

B

Rapid file creation

C

Noticeable slowdown in system performance

D

Increased storage space availability

correct option: c
Users' Answers & Comments
6

Which measure helps protect against a virus attack by monitoring and controlling network traffic?

A

Antivirus software

B

Firewall protection

C

Regular backups

D

Updating software

correct option: b
Users' Answers & Comments
7

What does updating the operating system and software regularly help prevent?

A

System slowdown

B

Enhanced performance

C

Security vulnerabilities

D

Data loss

correct option: c
Users' Answers & Comments
8

What should users exercise caution with to reduce the risk of virus infection?

A

Secure websites

B

Email attachments from known sources

C

Official software updates

D

Unknown or suspicious email attachments

correct option: d
Users' Answers & Comments
9

What type of viruses attach themselves to executable files?

A

Boot sector viruses

B

Macro viruses

C

File-infecting viruses

D

Ransomware

correct option: c
Users' Answers & Comments
10

What does a noticeable depletion of available storage space indicate during a virus attack?

A

Enhanced system performance

B

Efficient file organization

C

Unauthorized access

D

A potential virus infection

correct option: d
Users' Answers & Comments
Recommended: JSS3 Computer Studies Lessons
Please share this, thanks: