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EndsemMay 20242019 patternSE IT

Digital Electronics and Logic Design (DELD) SPPU Endsem Question Paper May 2024

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated DELD questions
Subject code
210245
Pattern
2019 pattern
Exam
Endsem
Session
May 2024
Max. marks
70
Time
2½ Hours
Semester
III
Paper code
[6261]-44

Printed for: S.E.(Computer Engineering)

Instructions to the candidates

  1. Answers Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.8.
  2. Neat diagrams must be draw wherever necessary.
  3. Assume Suitable data if necessary.

Questions

  1. Q1

    1. a)

      What are the applications of Flip-Flop? Explain shift register.

      [6]
    2. b)

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

      [6]
    3. c)

      Desgin the 2-bit synchronous UP counter using T - F/F.

      [6]

  2. Q2

    1. a)

      Explain S-R Flip-Flop and J-K Flip Flop using NOR gate.

      [6]
    2. b)

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

      [6]
    3. c)

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

      [6]

  3. Q3

    1. a)

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

      [6]
    2. b)

      Draw block diagram of PLA device and explain in detail.

      Also asked:May 2025

      [6]
    3. c)

      What is ASM chart? Design ASM chart for 3-Bit gray code sequence with up-down conditions. 2

      [5]

  4. Q4

    1. a)

      Implement gray to binary code using PLA.

      [6]
    2. b)

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

      [6]
    3. c)

      What is ASM Chart? State & Explain basic components of ASM chart. Also explain the salient features of ASM chart

      Also asked:May 2025

      [5]

  5. Q5

    1. a)

      Draw and explain the operation of TTL NAND gate using 2-bit input.

      [6]
    2. b)

      Explain with a neat diagram CMOS NAND gate

      Also asked:May 2025

      [6]
    3. c)

      Define the following terms and mention its standard value for TTL logic family. i) Noise immunity ii) Power Dissipation iii) Figure of Merit

      [6]

  6. Q6

    1. a)

      Draw and explain CMOS invertor.

      [6]
    2. b)

      Explain TTL open collector.

      Also asked:Dec 2025

      [6]
    3. c)

      Compare CMOS and TTL logic family.

      Also asked:May 2025

      [6]

  7. Q7

    1. a)

      For memory operations draw digital circuits using ALU and shift registes.

      [6]
    2. b)

      What is Microprocessor? List different applications of Microprocessor.

      Also asked:Dec 2025 ·May 2025

      [6]
    3. c)

      What are the different types of buses used in Microprocessor? 3

      Also asked:May 2025

      [5]

  8. Q8

    1. a)

      Explain in brief basic arithmetic operations using ALU IC 74181.

      Also asked:Dec 2025

      [6]
    2. b)

      Write a short note on i) Address Bus ii) Data Bus iii) Control Bus

      [6]
    3. c)

      Write a short note on Memory organization of Microprocessor. 

      Also asked:Dec 2025 ·May 2025

      [5]