Digital Circuits
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2023104403
End Semester Examination - 2023
Instructions
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Write the short answer of the following (Any seven question
only):
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Q1.1
Find the hexadecimal equivalent of the decimal number 256.
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Q1.2
What is meant by weighted and non-weighted coding?
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Q1.3
State Demorgan's theorem.
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Q1.4
What do you mean by carry propagation delay?
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Q1.5
What do you mean by Encoder?
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Q1.6
What are the primary disadvantages of an asynchronous counter?
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Q1.7
What are races and cycles?
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Q1.8
Why is MUX called as data selector?
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Q1.9
When can RTL be used to represent digital system?
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Q1.10
Draw the DTL based NAND gate.
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Q.2 Solve both questions :
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Q2.1
Describe the procedure to design of asynchronous sequential circuit in detail with an example.
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Q2.2
What are the disadvantages of asynchronous sequential circuit?
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Q.3 Solve both questions :
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Q3.1
Explain the characteristics and about TTL parameters. Discuss implementation of the following digital logic families : (a) CMOS (b) TTL
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Q3.2
Discuss about TTL parameters.
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Q.4 Solve both questions :
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Q4.1
Explain the realization of JK flipflop from T flipflop.
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Q4.2
Design a 4-bit BCD ripple counters.
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Q.5 Solve this question :
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Q5.1
What is meant by magnitude comparator? Discuss in detail about two bit magnitude comparator.
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Q5.2
Design a full adder using NOR gates.
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Q.6 Solve both questions :
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Q6.1
Explain briefly about SOP and POS forms with example.
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Q6.2
Plot the logical expression $ ABCD+A\overline{B}\overline{C}\overline{D}+A\overline{B}C+AB $ on a 4 variable K-map. Obtain the simplified expression from the map.
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Q.7 Solve both questions :
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Q7.1
How does don't care condition in K-map help for circuit simplification?
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Q7.2
Write the POS form of the SOP expression $ f(x,y,z)=\overline{X}YZ+XY\overline{Z}+X\overline{Y}Z $.
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Q.8 Solve both questions :
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Q8.1
Implement the following function using suitable multiplexer. $ F(a,b,c)=\Sigma m(3,4,5,7) $.
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Q8.2
Implement JK flipflop using SR flipflop.
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Q.9 Write Short notes on any two of the following:
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Q9.1
(a) Analog to Digital Converter
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Q9.2
(b) Multivibrator
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Q9.3
(c) Monostable and Astable timer
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2023V4104403
End Semester Examination - 2023
Instructions
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Write the short answer of the following (Any seven question
only):
Ask AI
Q1.1
Find the hexadecimal equivalent of the decimal number 256.
Ask AI
Q1.2
What is meant by weighted and non-weighted coding?
Ask AI
Q1.3
State Demorgan's theorem.
Ask AI
Q1.4
What do you mean by carry propagation delay?
Ask AI
Q1.5
What do you mean by Encoder?
Ask AI
Q1.6
What are the primary disadvantages of an asynchronous counter?
Ask AI
Q1.7
What are races and cycles?
Ask AI
Q1.8
Why is MUX called as data selector?
Ask AI
Q1.9
When can RTL be used to represent digital system?
Ask AI
Q1.10
Draw the DTL based NAND gate.
Ask AI
Q.2 Solve both questions :
Ask AI
Q2.1
Describe the procedure to design of asynchronous sequential circuit in detail with an example.
Ask AI
Q2.2
What are the disadvantages of asynchronous sequential circuit?
Ask AI
Q.3 Solve both questions :
Ask AI
Q3.1
Explain the characteristics and about TTL parameters. Discuss implementation of the following digital logic families : (a) CMOS (b) TTL
Ask AI
Q3.2
Discuss about TTL parameters.
Ask AI
Q.4 Solve both questions :
Ask AI
Q4.1
Explain the realization of JK flipflop from T flipflop.
Ask AI
Q4.2
Design a 4-bit BCD ripple counters.
Ask AI
Q.5 Solve this question :
Ask AI
Q5.1
What is meant by magnitude comparator? Discuss in detail about two bit magnitude comparator.
Ask AI
Q5.2
Design a full adder using NOR gates.
Ask AI
Q.6 Solve both questions :
Ask AI
Q6.1
Explain briefly about SOP and POS forms with example.
Ask AI
Q6.2
Plot the logical expression $ ABCD+A\overline{B}\overline{C}\overline{D}+A\overline{B}C+AB $ on a 4 variable K-map. Obtain the simplified expression from the map.
Ask AI
Q.7 Solve both questions :
Ask AI
Q7.1
How does don't care condition in K-map help for circuit simplification?
Ask AI
Q7.2
Write the POS form of the SOP expression $ f(x,y,z)=\overline{X}YZ+XY\overline{Z}+X\overline{Y}Z $.
Ask AI
Q.8 Solve both questions :
Ask AI
Q8.1
Implement the following function using suitable multiplexer. $ F(a,b,c)=\Sigma m(3,4,5,7) $.
Ask AI
Q8.2
Implement JK flipflop using SR flipflop.
Ask AI
Q.9 Write Short notes on any two of the following:
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Q9.1
(a) Analog to Digital Converter
Ask AI
Q9.2
(b) Multivibrator
Ask AI
Q9.3
(c) Monostable and Astable timer
Ask AI