Question

An adder in which the bits of the operands are added one after another is?

• A. Half-adder
• B. Full-adder
• C. Serial adder
• D. All of the above
• E. None of the above

Answer 1

The correct option is C Serial adder

An adder in which the bits of the operands are added one after another is Serial adder.

Serial binary adder. 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. ... The carry-in signal is the previously calculated carry-out signal.