For the functions below:
i) G (W,X,Y,Z) = Σm (1, 4, 7, 8, 9, 11) + d (0, 3, 5)
ii) F (A, B, C, D) = Σm (7, 9, 12, 13, 14, 15) + d (4, 11)
iii) F (A, B, C, D) = πM (2, 8, 11, 15) + d (3, 12, 14)
iv) F (W, X, Y, Z) = πM (0, 2, 6, 11, 13, 15) + d (1, 9, 10, 14)
a) Identify the essential prime implicants
b) Write the minimal sum/product
c) Implement with NAND gates only
d) Implement with NOR gates only
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