Q1157
An adder in which the bits of the operands are added one after another is
A.
Half-adder
B.
Full-adder
C.
Serial adder
AnswerD.
All of the above
E.
None of the above
Answer: Option C
Solution
Answer: Option C
Solution:
Serial adder is a sequential circuit. Parallel adder is a combinational circuit. In serial adder, propagation delay is less. In parallel adder, propagation delay is present from input carry to output carry. Number of required full adder is fixed i.e. one.