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The plus (+) indicates a more advanced problem and the asterisk (*) indicates that a solut...

The plus (+) indicates a more advanced problem and the asterisk (*) indicates that a solution is available on the Companion Website for the text.

*Design an arithmetic circuit with two selection variables S1 and S0 and t won-bit data inputs A and B. The circuit generates the following eight arithmetic operations in conjunction with carry Cin:

S1

S2

Cin=0

Cin=1

0

0

F=A+B(add)

F=A+ +1(Subtract A-B)

0

1

F=+B

F=+B+1(Subtract B–A)

1

0

F=A–1 (decrement)

F=A+1 (increment)

1

1

F=(1s complement)

F=+1(2s complement)

Draw the logic diagram for the two least significant bits of the arithmetic circuit.

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