1. Basic Adders +

2. What is Adder?

7. Half adder to Full adder

8. Truth Table of Adder

9. Truth Table of Adder A B C in C out ∑ 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 1 1 1 0 1 0 0 0 1 1 0 1 1 0 1 1 0 1 0 1 1 1 1 1

10. Truth Table of Adder A B C in C out ∑ 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 1 1 1 0 1 0 0 0 1 1 0 1 1 0 1 1 0 1 0 1 1 1 1 1

11. Truth Table of Adder A B C in C out ∑ 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 1 1 1 0 1 0 0 0 1 1 0 1 1 0 1 1 0 1 0 1 1 1 1 1

12. Truth Table of Adder A B C in C out ∑ 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 1 1 1 0 1 0 0 0 1 1 0 1 1 0 1 1 0 1 0 1 1 1 1 1

13. Truth Table of Adder A B C in C out ∑ 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 1 1 1 0 1 0 0 0 1 1 0 1 1 0 1 1 0 1 0 1 1 1 1 1

14. Truth Table of Adder A B C in C out ∑ 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 1 1 1 0 1 0 0 0 1 1 0 1 1 0 1 1 0 1 0 1 1 1 1 1

15. Truth Table of Adder A B C in C out ∑ 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 1 1 1 0 1 0 0 0 1 1 0 1 1 0 1 1 0 1 0 1 1 1 1 1

16. Truth Table of Adder A B C in C out ∑ 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 1 1 1 0 1 0 0 0 1 1 0 1 1 0 1 1 0 1 0 1 1 1 1 1

17. Circuit of Adder A B

18. Circuit of Adder A B X

19. Circuit of Adder A B C in ∑

20. Circuit of Adder A B C in ∑ Y

21. Circuit of Adder A B C in ∑ = A.B Y

22. Circuit of Adder A B C in ∑ C out C out = (A B). C in + A.B

23. Verification of Truth Table A B C in ∑ C out A B C in 0 0 0 C out ∑ 0 0

24. Verification of Truth Table A B C in ∑ C out A B C in 0 0 1 C out ∑ 0 1

25. Verification of Truth Table A B C in ∑ C out A B C in 0 1 0 C out ∑ 0 1

26. Verification of Truth Table A B C in ∑ C out A B C in 0 1 1 C out ∑ 1 0

27. Verification of Truth Table A B C in ∑ C out A B C in 1 0 0 C out ∑ 0 1

28. Verification of Truth Table A B C in ∑ C out A B C in 1 0 1 C out ∑ 1 0

29. Verification of Truth Table A B C in ∑ C out A B C in 1 1 0 C out ∑ 1 0

30. Verification of Truth Table A B C in ∑ C out A B C in 1 1 1 C out ∑ 1 1

31. Applications of Adder THE BCD ADDER

34. Decimal Digits Decimal Number BCD Equivalent 0 0000 1 0001 2 0010 3 0011 4 0100 5 0101 6 0110 7 0111 8 1000 9 1001

38. 4-Bit Adder

39. Thanks!