FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

Switch License

Question E7A09

From subelement E7 - E7A

E7A09
Answer: C

What logical operation is performed by a two-input exclusive NOR gate?

AIt produces a 0 at its output only if all inputs are 0
BIt produces a 1 at its output only if all inputs are 1
CIt produces a 0 at its output if one and only one of its inputs is 1
DIt produces a 1 at its output if one and only one input is 1