Design a 4-bit binary adder using full adders.   Explain how a full adder can be built using two half adders and an OR gate. Draw the circuit and describe the role of each component.

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 14VE
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Design a 4-bit binary adder using full adders.

 

Explain how a full adder can be built using two half adders and an OR gate. Draw the circuit and describe the role of each component.

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