Take the Computer Virus Quiz: Test Your Knowledge of Internet Threats

Study Notes

Identifying Computer Viruses and Worms

Identify a computer virus in your PC by looking for unusual behavior, such as frequent crashes, slow performance, or unexpected changes to files or programs.
A characteristic of a computer worm infection is that it can spread from one system to another without the need for human interaction.

Trojan Horse Viruses

A trojan horse virus typically gains access to a computer by disguising itself as a legitimate program or file, allowing users to unintentionally install it.
Identify a trojan horse virus in your PC by looking for suspicious programs or files that you did not install, or unusual network activity.

Effects of Computer Virus Infections

A potential effect of a computer virus infection is data loss or corruption, as well as system crashes or freezes.
A potential effect of a computer worm infection is consuming system resources, causing slow performance or network congestion.

Distinguishing Features

A distinguishing feature of a computer virus infection is that it requires a host program to replicate and spread.
A distinguishing feature of a computer worm infection is that it can operate independently, without the need for a host program.

Characteristics of Computer Viruses

A characteristic of a computer virus is that it can attach itself to a program or file and replicate itself, potentially spreading to other systems.
A potential sign of a computer worm infection is unusual network activity, such as increased traffic or suspicious connections.

Description

Test your knowledge of computer viruses and internet threats with this quiz. Learn about different types of viruses and how to identify them based on their effects on your computer's performance. Keep your PC safe by understanding the signs of a potential virus attack.