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GATE CS : Digital Logic Champion Quiz 2

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Question 1

How many 1’s are present in the binary representation of 3 x 512 + 7 x 64 +5 x 8 + 3 ?

Question 2

Gray code for number 7 is

Question 3

The combinational logic circuit shown in the given figure has an output Q which is

Question 4

In the following circuit, X is given by

Question 5

The output of a logic gate is “1” when all its inputs are at logic “0”. The gate is either?

Question 6

What are the output bits S (Sum) and C (Carry) of a Half Adder having inputs A = 1 and B = 1 ?
S C

Question 7

The following truth table has to be realized with the circuit shown in the figure :

What is the output of the combinational logic circuit to the J input?

Question 8

The logic function A + BC is the simplified form of which of the following ?

Question 9

A 4 × 1 MUX is used to implement a 3–input Boolean function as shown in figure. The Boolean function F (A, B, C) implemented is

Question 10

Which of the following logic circuits is a realization of the function F whose Karnaugh map is shown in figure?

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Sep 29GATE & PSU CS