How many multiplexers are required to implement a half adder ?

Q. How many multiplexers are required to implement a half adder ?

A

1

B

2

C

3

D

4

Solution:

2 multiplexers are required to implement a half adder
Half Adder we need two multiplexers the first multiplexer produces sum output and the second MUX generates the carry output of the Half Adder. X and Y are the two selection inputs to both multiplexers to select a particular input.

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