Draw the block diagram for a 4-bit magnitude comparator.   Draw the logic circuit for a four-bit adder-subtractor with overflow detection.

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter8: Data And Network Communication Technology
Section: Chapter Questions
Problem 7VE
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Draw the block diagram for a 4-bit magnitude comparator.

 

Draw the logic circuit for a four-bit adder-subtractor with overflow detection.

 

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