What is a computer virus?

Q: What is a computer virus?


A: A computer virus is a program that is able to copy itself when it is run.

Q: How do computer viruses copy themselves?


A: Computer viruses copy themselves as part of other programs, just like biological viruses copy themselves as part of other organisms.

Q: What happens to a program that is affected by a virus?


A: A program that is affected by a virus is "infected".

Q: What other actions can a computer virus take?


A: In addition to copying itself, a computer virus can also execute instructions that cause harm.

Q: What is the relationship between computer viruses and security?


A: Computer viruses affect security and are part of malware.

Q: What are some common ways that computer viruses spread?


A: Common ways that computer viruses spread are through downloads, email attachments, and removable hardware.

Q: Why are computer viruses so dangerous?


A: Most viruses are a very dangerous kind of malware because they can cause harm to a computer's system files and are often created for a specific cause, such as spreading political messages, hacking, or other malicious purposes.

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