The 4-bit comparator is shown in the figure below. It compares two unsigned 4 -bit numbers A=(a3a2a1 aol2 and B=(b3b2b1 bol2, and generates three signais AeqB, AgtB and AliB as follows: - AeqB=1 if A=B - AgtB=1 if A>B - AtB=1 if A