one-bit adder
nounUK /wʌn bɪt ˈædə/
US /wʌn bɪt ˈædər/
A tiny computer part that adds two single numbers, zero or one, and gives a sum and a carry.
The one-bit adder adds 1 and 1 to make 0 and carries 1 to the next place.
RELATED WORDS
OTHER MEANINGS
2. A basic building block used to make bigger adders in a computer.
Engineers chain one-bit adders together to add large numbers.
3. A teaching example in digital electronics for learning how addition works.
The class built a one-bit adder with XOR and AND gates.
4. A circuit that outputs a sum bit and a carry bit from two input bits.
The one-bit adder's truth table has four rows.