1. Two's Complement (10%) a) Show the stepwise approach of how a processor handles 7-12 manually in base 2. Assume 8 bit and signed bit on. (5%) Hint: A-B = A+ (2s of B) (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%) AT B7 A6 B6 A5 B5 A4 B4 A3 B3 A2 B2 A1 B1 AO BOO - SUE FA FA FA FA FA FA S6 S3 Bit-> 7 An 6 5 4 3 2 1 0 nBn Sub Sp 1. Two's Complement (10%) a) Show the stepwise approach of how a processor handles 7-12 manually in base 2. Assume 8 bit and signed bit on. (5%) Hint: A-B = A+ (2s of B) (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%) AT B7 A6 B6 A5 B5 A4 B4 A3 B3 A2 B2 A1 B1 AO BOO - SUE FA FA FA FA FA FA S6 S3 Bit-> 7 An 6 5 4 3 2 1 0 nBn Sub Sp