Computer Viruses Quiz

What is a computer virus?

• A program designed to improve system performance

• A malicious program that replicates itself by modifying other programs

• A protective software for the computer

• A system file manager

What does a computer virus aim to do?

• Help increase the speed of the computer

• Harm the computer by deleting files or crashing the system

• Enhance the computer's capabilities

• Act as a backup system for important files

Which of the following is NOT a type of destructive software?

• Virus

• Spyware

• Word Processor

• Ransomware

How can a virus spread from one computer to another?

• By copying system files

• Through disks, networks, or email links

• By restarting the computer

• By scanning for hardware faults

Which of these can lead to virus infections?

• Downloading files from trusted websites

• Clicking on malicious email attachments

• Running an antivirus scan

• Disabling unnecessary software

What action is typically required for a virus to infect a system?

• Scanning files

• User opening or running a malicious file or program

• Booting the computer

• Installing system updates

Which of the following cannot spread a virus?

• Write-protected media like CD-ROMs

• Downloading software from untrustworthy websites

• Sharing infected files over a network

• Opening malicious email attachments

What happens when a virus-infected program is executed?

• The virus replicates itself

• The virus deletes the system files

• The virus speeds up the computer's operation

• The virus disables the power supply

Which of the following is a symptom of a virus infection?

• Faster computer performance

• Frequent system crashes and freezes

• Decreased storage space only

• Improved software functionality

Which of the following can indicate the presence of a computer virus?

• Regular and predictable performance

• Browser redirects to unfamiliar websites

• Improved battery life

• Increased internet speeds