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Logic Gates - Technical MCQs

Q1:

If a 3-input NOR gate has eight input possibilities, how many of those possibilities will result in a HIGH output?

A 1

B 2

C 7

D 8

ANS:A - 1

Because in nor gate if any of the input is high the output is low.

So, we are left with only one case when output is high i.e. A=0, B=0 and C=0.