The waveform of input A and B and the output C is given below. The logic circuit gate is
OR gate
NOR gate
NAND gate
AND gate
A = 1 B = 0 C = 1 1 + 0 = 1
A = 0 B = 1 C = 1 0 + 1 = 1
A = 1 B = 1 C = 1 1 + 1 = 1
OR gate.