Question

The output of a logic gate is 1 when all its inputs are at logic 0. the gate is either

Answer 1

Answer: NOR or XNOR gate

Explanation:

In NOR gate we get a high value of the output only when its input has a low value. i.e. for 0 and 0 we get a value of 1.

In XNOR gate which is the compliment of the OR gate we get the output as 1 when all the inputs are 0.