halfadder
nounUK /ˈhɑːfˌædə/
US /ˈhæfˌædər/
A half adder is a tiny computer part that adds two single bits together.
The half adder outputs a sum and a carry when you add 1 and 1.
RELATED WORDS
OTHER MEANINGS
2. A circuit that adds two binary digits without handling an incoming carry.
A half adder cannot accept a carry-in bit, so it is only used for the least significant bit.
3. A basic building block in digital electronics used to teach combinational logic.
Students built a half adder from an XOR gate and an AND gate.
4. A combinational logic circuit producing sum and carry outputs from two inputs.
The truth table of a half adder has four rows.