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GATE 2019: Digital Circuits Quiz 2
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Question 1
The switching function f (X Y Z Q) = Σm (9, 11, 7 ,3)
Question 2
A switching Function can be represented in minimization form as
F (A, B, C, D) = A’B’CD + A’BC’D + A’BCD + AB’C’D + AB’CD
F (A, B, C, D) = A’B’CD + A’BC’D + A’BCD + AB’C’D + AB’CD
Question 3
Consider the circuit given below
The expression for Y is
The expression for Y is
Question 4
Minimum number of 2 input NAND gates required to implement the logic function F = A + B + C+ D are _______.
Question 5
A Boolean expression containing 3 variable is true only if any of the following conditions is satisfied.
1) A is true and either B is true or C is false.
2) A is false and B is true
3) C is true and either A is true or B is false
The minimized Boolean expression is
1) A is true and either B is true or C is false.
2) A is false and B is true
3) C is true and either A is true or B is false
The minimized Boolean expression is
Question 6
Consider the logic circuit given below.
(In DeMux, MSB is A and LSB is B while in Decoder MSB is A1 and LSB is A0)
The minimized expression for F is
(In DeMux, MSB is A and LSB is B while in Decoder MSB is A1 and LSB is A0)
The minimized expression for F is
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