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Exam Questions Papers - Engineering

Q1:

Consider the circuit shown below of 2 : 1 MUX is given by the function g = ac + bc

Then f is

A X  X

B
XY + E X Y

C
XE + XY

D None of these

ANS:B -

XY + E X Y

g = ac + bc min c = 0, g = b and c = 1, g = a So f = y + ya ⇒ y x + yg ...(i) g = x b + x.a = x E + X.o ⇒ x E from (i) f = y x + y x E.