Digital Electronics PYQ 2023-24 AKTU Question Paper

AKTU · BTECH · Semester 3, 4 · Digital Electronics · Session 2023-24 · PYQ

AKTU Digital Electronics previous year question paper 2023-24 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 2023-24

  1. Q1a. Convert decimal number 37 to its binary equivalent. (2 marks, 2023-24)
  2. Q1b. Explain Universal Gates. (2 marks, 2023-24)
  3. Q1c. What do you mean by a combinational circuit? (2 marks, 2023-24)
  4. Q1d. What is meant by a half adder? (2 marks, 2023-24)
  5. Q1e. Write advantages and disadvantages of ECL Family. (2 marks, 2023-24)
  6. Q1f. What is meant by Fan in and Fan out? (2 marks, 2023-24)
  7. Q1g. What are the advantages of CMOS logic family? (2 marks, 2023-24)
  8. Q2a. Simplify the Logical Expression F(A,B,C,D)=∑m(1,3,7,11,15) + d(0,2,5) (7 marks, 2023-24)
  9. Q2b. Draw and explain the design of 32:1 MUX using 8:1 MUX and 4:1 Mux. (7 marks, 2023-24)
  10. Q2c. For clocked JK flip-flop write the state table, draw the state diagram and state equation. (7 marks, 2023-24)
  11. Q2d. Explain briefly the operation of TTL NAND gate in tri state output configuration. (7 marks, 2023-24)
  12. Q2e. Implement a 3-input NOR Gate using CMOS and DTL logic families. Also Explain the working in both cases. (7 marks, 2023-24)
  13. Q3a. Convert the following expressions into their standard POS form: (i) AB +AC+BC (ii) A +BC+ ABC (7 marks, 2023-24)
  14. Q3b. A logical expression in the standard SOP form is as Y = ĀB̅C̅ + ĀBC̅ + ĀBC + AB̅C. Minimize it using K-Map. (7 marks, 2023-24)
  15. Q4a. Sketch the flow chart showing algorithm for performing subtraction using Adder. (7 marks, 2023-24)
  16. Q4b. Implement the following expression using a multiplexer: F(A,B,C,D) = ∑m (0,2,3,6,8,11,12,14) (7 marks, 2023-24)
  17. Q5a. Explain the working of Master-Slave JK Flip-Flop with the help of logic diagram. (7 marks, 2023-24)
  18. Q5b. Explain modes of operation of shift register. And state various applications of shift registers. (7 marks, 2023-24)
  19. Q6a. Compare the performance of TTL, CMOS and ECL logic. (7 marks, 2023-24)
  20. Q6b. With the help of neat diagrams explain working of: (i) CMOS NAND gate (ii) CMOS NOR gate. (7 marks, 2023-24)
  21. Q7a. What do you mean by R-2R ladder DAC? Explain working operation of R-2R Ladder DAC. (7 marks, 2023-24)
  22. Q7b. What are different types of ADC? Explain operation of dual slope ADC. (7 marks, 2023-24)

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

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