For a circuit with OR gate joining A, B, followed by AND with C, which input gives output 1?
Options

Question

For a circuit with OR gate joining A, B, followed by AND with C, which input gives output 1?

G1 Physics · Accepted Answer

The circuit produces Y = (A + B)·C. It is 1 only if C=1 and at least one of A,B is 1. Only option C has (A,B,C)=(1,0,1), giving Y=(1+0)·1=1. Final answer: Option C.