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written 6.7 years ago by
teamques10
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Module 5
1. adders
a) half adder
S= A(+)B=AB+AB
C=A.B
Implementation
Sum S=A+B=AB+AB(XOR) Carry=A.B
S=A+B = AB+AB(XNOR) C=A.B
De morgan =A+B
b) full adder
| A | B | $C_{in}$ | S | C |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 1 | 0 |
| 0 | 1 | 0 | 1 | 0 |
| 0 | 1 | 1 | 0 | 1 |
| 1 … |
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