Digital Electronics PYQ 2022-23 AKTU Question Paper

AKTU · BTECH · Semester 3, 4 · Digital Electronics · Session 2022-23 · PYQ

AKTU Digital Electronics previous year question paper 2022-23 for B.Tech Semester 3/4. Covers Digital System, Binary Numbers and Logic Simplification…

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Digital Electronics AKTU syllabus

  1. Unit 1: Digital System, Binary Numbers and Logic Simplification
  2. Unit 2: Combinational Logic
  3. Unit 3: Sequential Logic and Its Applications
  4. Unit 4: Synchronous and Asynchronous Sequential Circuits
  5. Unit 5: Memory, Programmable Logic and Digital Logic Families

Questions in Digital Electronics AKTU PYQ 2022-23

  1. Q1a. Explain Duality Principle. Prove that positive logic AND Gate is equivalent to negative logic OR Gate. (2 marks, 2022-23)
  2. Q1a. Explain the signed binary number. (2 marks, 2022-23)
  3. Q1a. Interpret the binary number (1011)₂ into (i) Gray code (ii) Excess-3 Code. (2 marks, 2022-23)
  4. Q1a. Interpret the binary number (1011)₂ into (i) Gray code (ii) Excess-3 Code. (2 marks, 2022-23)
  5. Q1a. Interpret the binary number (1011)₂ into (i) Gray code (ii) Excess-3 Code. (2 marks, 2022-23)
  6. Q1b. Explain 2-input EX-NOR Gate and implement it using minimum number of 2-input NOR Gates. (2 marks, 2022-23)
  7. Q1b. Define the term universal gates and their applications. (2 marks, 2022-23)
  8. Q1b. Evaluate (1011)₂ - (1101)₂ using 1's and 2's complement method. (2 marks, 2022-23)
  9. Q1b. Evaluate (1011)₂ - (1101)₂ using 1's and 2's complement method. (2 marks, 2022-23)
  10. Q1b. Evaluate (1011)₂ - (1101)₂ using 1's and 2's complement method. (2 marks, 2022-23)
  11. Q1c. Explain Half adder circuit and implement it using 2-input NAND Gates. (2 marks, 2022-23)
  12. Q1c. Elaborate the term Combinational Circuits. (2 marks, 2022-23)
  13. Q1c. Differentiate between the serial and parallel adder. (2 marks, 2022-23)
  14. Q1c. Differentiate between the serial and parallel adder. (2 marks, 2022-23)
  15. Q1c. Differentiate between the serial and parallel adder. (2 marks, 2022-23)
  16. Q1d. Write down the differences between Combinational and Sequential digital circuits. (2 marks, 2022-23)
  17. Q1d. Define BCD codes and convert (A5D8)₁₆ into BCD number. (2 marks, 2022-23)
  18. Q1d. How many 4 X 1 multiplexers are required to implement 64 X 1 multiplexer. (2 marks, 2022-23)
  19. Q1d. How many 4 X 1 multiplexers are required to implement 64 X 1 multiplexer. (2 marks, 2022-23)
  20. Q1d. How many 4 X 1 multiplexers are required to implement 64 X 1 multiplexer. (2 marks, 2022-23)
  21. Q1e. Differentiate between Synchronous and Asynchronous sequential circuits. (2 marks, 2022-23)
  22. Q1e. Explain the term storage elements. (2 marks, 2022-23)
  23. Q1e. What is the difference between characteristic and excitation table. (2 marks, 2022-23)
  24. Q1e. What is the difference between characteristic and excitation table. (2 marks, 2022-23)
  25. Q1e. What is the difference between characteristic and excitation table. (2 marks, 2022-23)
  26. Q1f. Explain in brief: (i) Astable Multivibrator (ii) Bistable Multivibrator. (2 marks, 2022-23)
  27. Q1f. Illustrate the term sequential logic. (2 marks, 2022-23)
  28. Q1f. Differentiate between combinational and sequential circuits. (2 marks, 2022-23)
  29. Q1f. Differentiate between combinational and sequential circuits. (2 marks, 2022-23)
  30. Q1f. Differentiate between combinational and sequential circuits. (2 marks, 2022-23)
  31. Q1g. Explain the working of a PISO type shift register briefly. (2 marks, 2022-23)
  32. Q1g. Define the use of clock in digital circuits. (2 marks, 2022-23)
  33. Q1g. How many address lines are needed to represent 8K meaning. (2 marks, 2022-23)
  34. Q1g. How many address lines are needed to represent 8K meaning. (2 marks, 2022-23)
  35. Q1g. How many address lines are needed to represent 8K meaning. (2 marks, 2022-23)
  36. Q1h. What are Static and Dynamic Hazards? (2 marks, 2022-23)
  37. Q1h. Explain the term synchronous circuits. (2 marks, 2022-23)
  38. Q1h. Define term propagation delay. (2 marks, 2022-23)
  39. Q1h. Define term propagation delay. (2 marks, 2022-23)
  40. Q1h. Define term propagation delay. (2 marks, 2022-23)

AKTU paper codes: BOE310, BOE410, BOE310H, BOE410H, KOE039, BEE401, KEE401, KOE049

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