Consider the following Boolean function of four variables:
f(w,x,y,z) = ∑(1,3,4,6,9,11,12,14)
The function is:
(A) independent of one variables.
(B) independent of two variables.
(C) independent of three variables.
(D) dependent on all the variables.


Answer: (B)

Explanation:

On solving K-MAP we get ZX’+XZ’

so  it is independent of w,y

Ans (B) part.

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