How many shift registers are used in a 4 bit serial adder?
A. 4
B. 3
C. 2
D. 5
Answer:C
How many shift registers are used in a 4 bit serial adder?
A. 4 B. 3 C. 2 D. 5
Explanation: There are two shift registers are used in a 4-bit serial adder, which is used to store the numbers to be added serially. Serial addition takes place bit by bit.