Morris Mano Edition 3 Exercise 3 Question 7 (Page No. 111)

Question

Simplify the following boolean functions by first finding the essential prime implicants.

1. F(w,x,y,z) = $\sum (0,2,4,5,6,7,8,10.13,15)$
2. F(A,B,C,D) = $\sum (0,2,3,5,7,8,10,11,14,15)$
3. F(A,B,C,D) = $\sum (1,3,4,5,10,11,12,13,14,15)$