Understanding Computer Viruses

What is a computer virus?

• A computer virus is a malicious program that replicates itself and spreads to other computers.

• A computer virus is a type of hardware that enhances computer performance.

• A computer virus is a program that helps in data recovery.

• A computer virus is a software that protects against malware.

How does a computer virus differ from malware?

• A computer virus is always harmful, while malware can be harmless.

• All malware is designed to replicate itself like a virus.

• Malware is a type of computer virus that spreads through email attachments.

• A computer virus is a type of malware, but not all malware is a virus.

What is a worm in the context of computer viruses?

• A worm is a hardware component of a computer.

• A worm is a type of antivirus software.

• A worm is a self-replicating malware that spreads across networks.

• A worm is a user-installed application that enhances performance.

What is a Trojan horse virus?

• A Trojan horse virus is a legitimate software that enhances system performance.

• A Trojan horse virus is a type of hardware that protects against malware.

• A Trojan horse virus is a malicious program that pretends to be legitimate software to deceive users.

• A Trojan horse virus is a network security tool used to monitor traffic.

What is a macro virus?

• A macro virus is a software that enhances application performance.

• A macro virus is a type of malware that infects applications through macros.

• A macro virus is a type of malware that only affects operating systems.

• A macro virus is a type of hardware that damages physical components.

What is a boot sector virus?

• A boot sector virus is malware that infects the boot sector of a storage device and executes on system startup.

• A boot sector virus is a software that enhances security features.

• A boot sector virus is a type of hardware malfunction.

• A boot sector virus is a program that speeds up system performance.

How can computer viruses spread through email?

• Computer viruses spread through email by attaching to messages or links, activating when opened.

• Viruses spread through email by sending spam messages without attachments.

• Email servers automatically block all viruses before they reach users.

• Viruses can only spread through physical media like USB drives.

What role do downloads play in spreading viruses?

• Downloads play a critical role in spreading viruses by allowing users to inadvertently install infected files.

• Downloads are primarily used for software updates.

• Downloads only affect the performance of a device.

• Downloads are safe and do not pose any risks.

What are some common effects of computer viruses on a computer?

• Common effects of computer viruses include file corruption, system slowdowns, crashes, data loss, and security breaches.

• Increased storage capacity

• Improved system performance

• Enhanced security features

How can a virus affect your personal data?

• A virus can enhance your personal data security.

• A virus can improve the performance of your device.

• A virus can create backups of your personal data.

• A virus can corrupt, delete, or steal personal data.