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# BARC 2020: Digital Logic Nuclear Quiz 2 (App update required to attempt this test)

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Question 1

If (30)x in base x number system is equal to (17)y in base y number system, the possible values of x and y are:

Question 2

What is the maximum value till which a 5 stage ripple counter can count?

Question 3

The minimal expression of F(w,x,y,z) = (0,4,6,7,8,9,15) is

Question 4

Count the number of literals in the following expression after minimization :

F = AB' + BC' + CD' + DE'

Question 5

In 16-bit 2’s complement representation, the decimal number −28 is:

Question 6

Given a sequential circuit:

If initial state Q1 Q2 Q3 = 1 0 1 after how many cycles does it get to the same value?

Question 7

Consider the given function F(A,B,C,D) = Σm(2,3,5,6,8,9,11,14) then what is the value connected at input I1 in the figure shown below if the select lines are connected to B & D respectively?

Question 8

What is the behavior of following one i/p Flipflop ‘X’ ?

Question 9

By adding  (36)7 , (67)8 , (98)10 and (34)5 these four numbers with different bases, what will be the result in Base 9?

Question 10

Let . Then f=______________.
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