2. Consider the incompletely specified function of 4 variables presented as a sum of minterms and
don't cares:
G (A, B, C, D) = ?(0, 1, 2, 7, 9) + d(5, 8, 11)
Obtain the following
a)
K-map for function G(A, B, C, D).
b)
Use K-map to locate and list all prime implicants (P.I.) (a reminder - for the list of P.I.s all don't
cares are treated as 1).
c)
Essential prime implicants (E. P. I.) (an EPI is a P.I. which includes at least one minterm which
has no alternative coverage by other P.I.s).
d) The minimal function cover for G in the SOP form (an algebraic expression with the minimum
number of literals, obtain only the minimal expression in the sum of products form).
e) For the minimal expression in d) identify the consensus term(s), if any.