In a half-adder circuit, what are the outputs?
Options
- A. Sum and Carry
- B. Difference and Borrow
- C. Sum and Difference
- D. More than one of the above
- E. None of the above
A. Sum and Carry
A Half-Adder is a digital circuit that adds two binary bits.
It produces two outputs:
Sum (S) – the result of addition
Carry (C) – the carry generated during addition
Formulas:
Sum = A ⊕ B (XOR)
Carry = A · B (AND)
Example:
| A | B | Sum | Carry |
|---|---|---|---|
| 0 | 0 | 0 | 0 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 1 | 0 |
| 1 | 1 | 0 | 1 |
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BPSC Tre 4.0 Digtial Electronics Quiz Practice Set