Binary Addition
Addition
Links: Visualizing the full circuit
Half adder
Calculate A(0011) + B(0101)
| A | B | Sum | Carry |
|---|---|---|---|
| 0 | 0 | 0 | 0 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 1 | 0 |
| 1 | 1 | 0 | 1 |
Sum and carry pattern
Sum = XOR(A, B)
Carry = AND(A, B)
Links: Visualizing the full circuit
Calculate A(0011) + B(0101)
| A | B | Sum | Carry |
|---|---|---|---|
| 0 | 0 | 0 | 0 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 1 | 0 |
| 1 | 1 | 0 | 1 |
Sum = XOR(A, B)
Carry = AND(A, B)