Digital Logic

1:

The number of full and half-adders required to add 16-bit numbers is

A.

8 half-adders, 8 full-adders

B.

1 half-adder, 15 full-adders

C.

16 half-adders, 0 full-adders

D.

4 half-adders, 12 full-adders

 

Answer : B

Explanation :

The one half-adder can add the least significant bit of the two numbers. Full adders are required to add the remaining 15 bits as they all involve adding carries.

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Option: A

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