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EndsemMay 20242019 patternSE E&TC

Digital Circuits SPPU Endsem Question Paper May 2024

This 2019-pattern Digital Circuits paper is listed under Digital Electronics. All 8 questions are below, as printed.

Open the PDF
Subject code
204182
Pattern
2019 pattern
Exam
Endsem
Session
May 2024
Max. marks
70
Time
2½ Hours
Semester
III
Paper code
[6261]-27

Printed for: S.E. (E & TC/Electronics/Computer Engineering)

Instructions to the candidates

  1. Answer Q. No.1 or Q.No.2, Q.No.3 or Q.No.4, Q.No.5 or Q.No.6 and Q.No.7 or Q.No.8.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right indicate full marks.
  4. Use of Calculator is allowed.
  5. Assume Suitable data, if necessary.

Questions

  1. Q1

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    2. b)

      Explain 3-bit parity checker circuit.

      [6]
    3. c)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]

  2. Q2

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    2. b)

      Implement 3-bit parity generator circuit.

      [6]
    3. c)

      Explain the working of a half-subtractor? Draw its logic diagram.

      [6]

  3. Q3

    1. a)

      Design a circuit to generate the following sequence using D FFs 1011.

      [8]
    2. b)

      Explain with neat diagram the types of shift register.

      [9]

  4. Q4

    1. a)

      Design a 3- Bit asynchronous counter using JK FF.

      Also asked:May 2025

      [9]
    2. b)

      Convert SR flip - flop into JK flip flop.

      [8]

  5. Q5

    1. a)

      Write short note on state diagram and state table with suitable example.

      [6]
    2. b)

      Write short note on Principal Component of an ASM Chart.

      [6]
    3. c)

      Draw the state diagram of SR flip flop and JK flip flop. 2

      [6]

  6. Q6

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [9]
    2. b)

      Compare Mealy and Moore machine.

      Also asked:May 2025

      [9]

  7. Q7

    1. a)

      Classify and explain the characteristics of memories.

      [9]
    2. b)

      Implement 3-bit binary to Gray code converter using PROM.

      Also asked:Oct 2024

      [8]

  8. Q8

    1. a)

      Design and implement 2-bit comparator using PAL?

      Also asked:Dec 2025 ·May 2025

      [9]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [8]