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The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either ?
Ans. When all inputs of logic gate at logic 0 and output is 0. The gate is either a NOR or an EX-NOR. The truth tables for both NOR and EX-NOR Gates are demonstrated in fig.(a) and (b).
Input
A B
Output
Y
0 0
1
0 1
0
1 0
1 1
Fig.(a) Truth Table for NOR Gate
Fig.(b) Truth Table for EX-NOR Gate
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