Q. 18 Consider the following combinational function block involving four Boolean
variables x,y,a,b where x,a,b are inputs and y is the output.
f (x, y, a, b) { if (x is 1) y = a; else y = b; } Which one of the following digital logic blocks is the most suitable for implementing
this function?
(A) Full adder
(B) Priority encoder
(C) Multiplexor
(D) Flip-flop
Answer: (C)
Explanation:
