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When does the output of a NOR gate =0?

When does the output of a NOR gate =0?
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  • A Whenever 0 is present at input
  • B Only when all input =0
  • C Whenever 1 is present at input
  • D Only when all input =1.
Correct Answer: Option C
Explanation:
A NOR gate is the exact opposite of an OR gate. It only outputs a 1 if all its inputs are 0. If even a single input is 1, the NOR gate's output will drop to 0.

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