Skip to content
InsemNov 20252019 patternSE AI&DS

Digital Electronics and Logic Design (DELD) SPPU Insem Question Paper Nov 2025

All 4 questions from this SPPU insem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated DELD questions
Subject code
210245
Pattern
2019 pattern
Exam
Insem
Session
Nov 2025
Max. marks
30
Time
1 Hour
Semester
III
Paper code
[6578]-23

Printed for: S.E. (Computer Engineering) (Insem.)

Instructions to the candidates

  1. Attempt Q1 or Q2, Q3 or Q4.
  2. Neat diagram must be drawn wherever necessary.
  3. Assume suitable data if necessary.

Questions

  1. Q1

    1. a)

      Minimize the function in SOP form and also draw the diagram f(A,B,C,D) = m  (0,2,3,5,6,9,11,15) + d(1,13,14)

      Also asked:Oct 2024

      [5]
    2. b)

      Simplify logic equation using Quine Mc Cluskey minimization Technique. Y(A,B,C,D) = m  (0,1,3,7,8,9,11,15)

      Also asked:Oct 2024

      [5]
    3. c)

      Obtain the minimal POS expression for the following and also draw the diagram using logic gates. F( A,B,C,D) =  M( 0,1,2,4,5,6,9,11,12,13,14,15)

      [5]

  2. Q2

    1. a)

      Write application of Gray Code. Design 3 bit Binary to Gray code converter

      Also asked:Oct 2024

      [5]
    2. b)

      Minimize the function in SOP form f(A,B,C,D) = m  (0,1,2,3,6,9,10,13,15) Also draw the diagram

      Also asked:Oct 2024

      [5]
    3. c)

      Write in i) sign magnitude form ii) l’s complement form iii) 2’s complement form

      Also asked:Oct 2024

    4. a)

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

      [5]

  3. Q3

    1. a)

      Design 3 bit BCD to Ex-3 code converter. Draw the diagram.

      [5]
    2. b)

      Design single digit BCD adder using 4 bit binary adder IC 7483.

      Also asked:Oct 2024

      [5]
    3. c)

      Implement full adder using two 4:1 multiplexer and OR gate

      [5]

  4. Q4

    1. a)

      Design 2 bit magnitude comparator using gates

      Also asked:Oct 2024

      [5]
    2. b)

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

      [5]
    3. c)

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

      [5]