Inputs X i and Y i of each full adder in an arithmetic circuit have digital logic

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Inputs Xi and Yi of each full adder in an arithmetic circuit have digital logic specified by the Boolean functions

X = A Y = BS + Bi Cin

where S is a selection variable, Cin is the input carry, and Aand B i are input data for stage i.

(a) Draw the logic diagram for the 4-bit circuit, using full adders and multiplexers.

(b) Determine the arithmetic operation performed for each of the four combinations of S and Cin: 00, 01, 10, and 11.

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Related Book For  answer-question

Logic And Computer Design Fundamentals

ISBN: 9780133760637

5th Edition

Authors: M. Morris Mano, Charles Kime, Tom Martin

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