Question: b. Construct a logic diagram that implements an adder/subtracter. That is, the logic circuit will compute A Bor A - B depending on the value

b. Construct a logic diagram that implements an adder/subtracter. That is,

b. Construct a logic diagram that implements an adder/subtracter. That is, the logic circuit will compute A Bor A - B depending on the value of X. Hint. Use the logic diagram of Figure 3.39 as a building block. Figure 3.39 Diagram for Exercise 3.24 A3 B3 C3 A2 B2 C2 A1 B1 C1 Carry-in-L+-Carry-in-1 + Parry-in- Carry-in S3 S2 S1 So

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