What is a computer virus crossword worksheet

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Across
  1. 2. It protects your personal data and your computer from viruses or malware
  2. 4. A type of virus that can control or damage the drive on a computer
  3. 5. A type of virus that can access your computer memory and stays dormant
  4. 6. A type of virus that takes over browser and spies on your browsing
Down
  1. 1. A type of virus that adds code on the operating system or important files
  2. 3. it is a malicious code or program that changes how your computer works