This document discusses digital logic circuits for addition. It covers half adders, their expressions for sum and carry, and logic circuits. Full adders are also covered, including their logical expressions for sum and carry, alternative methods, and logical circuits. Combined circuits and how to create a full adder using half adders are described as well.

1. Classes By
Jayant Dhondiyal
(B.Tech,M.Tech)

2. Half Adder

3. Expression for Sum and Carry

4. Logic circuit for sum and carry

5. Full Adder

6. Logical Expression for Sum

7. Logical expression for carry

8. Alternative Method

9. Logical circuit

10. Combined Circuit

11. Full adder using half adder

12. Full Adder

13. .
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