serial binary adder
英[ˈsiəriəl ˈbaɪnəri: ˈædə]美[ˈsɪriəl ˈbaɪnəri ˈædɚ]
The serial binary adder or bit-serial adder is a digital circuit that performs binary addition bit by bit. The serial full adder has three single-bit inputs for the numbers to be added and the carry in.