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Computer Revision Quiz MCQ Practice

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1. A computer virus is a type of:

  1. A. Hardware component
  2. B. Networking protocol
  3. C. Operating system
  4. D. Malicious software (malware)
Answer: Malicious software (malware)
Explanation: Malicious software (malware) — verified fact for Computer Revision Quiz.
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2. The binary number system used internally by computers uses only which two digits?

  1. A. 0 and 9
  2. B. 1 and 2
  3. C. 0 and 1
  4. D. A and B
Answer: 0 and 1
Explanation: 0 and 1 — verified fact for Computer Revision Quiz.
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3. 1 Byte equals how many bits?

  1. A. 8 bits
  2. B. 4 bits
  3. C. 2 bits
  4. D. 16 bits
Answer: 8 bits
Explanation: 8 bits — verified fact for Computer Revision Quiz.
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