For each of the following functions, find all minimum POS expressions:

a) f(A,B,C,D)= m(1,4,5,6,7,9,11,13,15)

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Find a minimum two level circuit(corresponding to sum of product expressions)using AND one OR gate per function for each of the following sets of functions.

a) f(a,b,c,d)=m(1,3,5,8,9,10,13,14)

g(a,b,c,d)=m(4,5,6,7,10,13,14)

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