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BARC 2020: Nuclear Quiz 2
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Question 1
Consider the circuit given below.
The duty cycle of is
The duty cycle of is
Question 2
For the flip flop configuration shown below find the operation carried out by this configuration.
Question 3
A car alarm system is to be designed considering 4 inputs, door closed (D), key in (K), seat pressure (S) and seat belt closed (B).
The alarm (A) should sound if
1) the key is in and door is not closed or
2) the door is closed, the key is in, driver in the seat and seat belt is not closed.
The system is to be designed with 2 input basic gates and inputs are available in basic form only.
The number of gates required are
The alarm (A) should sound if
1) the key is in and door is not closed or
2) the door is closed, the key is in, driver in the seat and seat belt is not closed.
The system is to be designed with 2 input basic gates and inputs are available in basic form only.
The number of gates required are
Question 4
For each of the positive edge-triggered J-K flip flop used in the following figure, the propagation delay is ΔT
Which of the following waveforms correctly represents the output at Q1?
Which of the following waveforms correctly represents the output at Q1?
Question 5
For transmission gate logic shown below find the logic realized with it
Question 6
In a particular number system the cubic equation:
x3 + bx2 + cx - 190 = 0 has the roots x = 5, x = 8, and x = 9. The base of the number system is _____________.
x3 + bx2 + cx - 190 = 0 has the roots x = 5, x = 8, and x = 9. The base of the number system is _____________.
Question 7
To implement the simplified value of the following Boolean functions minimum of how many AND, NOT and OR gate are required
f(A,B,C,D)=
f(A,B,C,D)=
Question 8
The 9’s compliment for the decimal number 7543 is
Question 9
Consider the multiplexer based logic circuit shown in the figure.
Which one of the following Boolean functions is realized by the circuit?
Which one of the following Boolean functions is realized by the circuit?
Question 10
The building block shown in fig. is a active high output decoder.
The output X is
The output X is
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Jun 8ESE & GATE EC