What is a computer virus?

A program that spreads by attaching to other files.

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  1. A program that spreads by attaching to other files ✔
  2. A type of hardware that cools your computer
  3. A network cable used for internet access

Why: Viruses are malicious code that hijack software and spread copies of themselves to other programs.

Huh, didn't know that: Viruses are malicious code that hijack software and spread copies of themselves to other programs.

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A computer virus is nothing to sneeze at, but it might make your PC wheeze.
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References

Answer: A program that spreads by attaching to other files. Viruses are malicious code that hijack software and spread copies of themselves to other programs.

  1. Computer security en.wikipedia.org/wiki/Computer_security
    Viruses are a specific type of malware, and are normally a malicious code that hijacks software with the intention to "do damage and spread copies of itself."
    Checked 2026-11-07.

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