Show how does an 8 bit subtractor below perform the same operation: 7-12

i) Write down the values of An, Bn, Sn & values from all the invertors.

ii) Label ALL the major gates that are only involved in the subtractor. FA= Full Adder.

(b) Show how does an 8 bit subtractor below perform the same operation: 7-12 i) Write down the values of An, Bn, S, & values from all the invertors (2.5%) ii) Label ALL the major gates that are only involved in the subtractor. FA = Full Adder. (2.5%) A7 B7 A6 B6 A5 B5 A4 B4 A3 B3 A2 B2 A1 B AO BOO SUE 9999 Cout