GATE CS 2021 : Digital Logic Quiz 3 (App update required to attempt this test)

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Question 1

A function with don’t care condition is as follows:
F(y, z,w, x,) = .   
The minimize Boolean expression is:

• Axy'+xz'+w'y'z
• Bx + + wz + y
• C + z + wxy
• D + xy +
• ENone of these

Question 2

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

• A
• B
• CBoth A and B
• Dnone of these

Question 3

Consider the logical functions given below.


If f is logic zero, then find the maximum number of possible minterms in function .

• A2
• B3
• C5
• D6

Question 4

With 3 Boolean variables, how many Boolean expressions can be formed.

Answer

Question 5

Consider the function :

Find the value of F[F[A+B,B],C]

• A
• B
• C
• D

Question 6

The minimum number of two input AND gates and two input OR gates are required to realize
Y = BD+CE+AB ?

• A2, 2
• B4, 2
• C3, 2
• D2, 3

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