Consider the following boolean function of four variables,
f (w, x, y,z) = Σ(1, 3, 4, 6, 9, 11, 12, 14], the function is
(A) Independent of one variable
(B) Independent of two variables
(C) Independent of three variables
(D) Dependent on all variables
Explanation: The K-Map for the boolean function of four variables can be drawn as:
So, independent of two variables.
Option (B) is correct.
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