Which of the following is NOT computer hardware?
AKeyboard unit
BMonitor screen
CLaser printer
DOperating system
Answer & Solution
Correct answer: D. Operating system
1. The question asks: Which of the following is NOT computer hardware.
2. Correct answer: Operating system.
3. The operating system is software; the others are physical devices.
_Source: BankExamsToday Computer Awareness Question Bank (R. Singh), Q.94_
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