XOR each bits of A with B (for e.g. A [0] xor B [0]) and so on. The o/p of 8 xor gates is then given as i/p to an 8-i/p nor gate.

if o/p is 1 then A=B.

XOR each bits of A with B (for e.g. A [0] xor B [0]) and so on. The o/p of 8 xor gates is then given as i/p to an 8-i/p nor gate.

if o/p is 1 then A=B.