E7A09 (C)
What logical operation is performed by an exclusive NOR gate?
A. It produces logic 0 at its output only if all inputs are logic 0
B. It produces logic 1 at its output only if all inputs are logic 1
C. It produces logic 0 at its output if only one input is logic 1
D. It produces logic 1 at its output if only one input is logic 1
