A logic circuit has truth table A,B→Y: (0,0)→1, (0,1)→0, (1,0)→1, (1,1)→0. What is Y?

Question

G1 Physics · Accepted Answer

For both A = 0 and A = 1, output is 1 if B = 0 and output is 0 if B = 1. Thus Y is independent of A and equals the complement of B. Final answer: Y = B̅, Option B.