B.TechSemester 42024-25Digital ElectronicsBEE401
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Digital Electronics (BEE401) - AKTU Question Paper 2024-25

B.Tech · Semester 4 · Free PDF Download

This is the official AKTU Digital Electronics Previous Year Question Paper for B.Tech Semester 4, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 4
Session:2024-25
University:AKTU / UPTU

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Questions Asked in 2024-25

Digital Electronics (BEE401) — extracted question text · 70 marks · 3 Hours

Section AAttempt all questions in brief. 02 x 7 = 14
  • a
    Convert the following binary number into grey code
  • 1
    ሺ110111ሻଶ 2. ሺ100110ሻଶ
  • b
    Perform the subtract ion using 2’s complement method of the following
  • c
    Implement a 4:1 multiplexer using 2:1 multiplexer
  • d
    Elucidate the race around condi tion in sequential circuit. 3 K 2
  • e
    Discuss the R-S flip flop in detail
  • f
    Enlist the advantages of EEPROM
  • g
    Explain the flash type ADC
Section BAttempt any three of the following: 07 x 3 = 21
  • a
    Simplify the Boolean expression using K-map
  • b
    Design a full adder using a ROM
  • c
    Define bi-directional shift re gister. Draw and explain 3-bit bi-directional shift register using D flip-flop
  • d
    Elaborate a comparison of CMO S, TTL and RTL logic families
  • e
    Explain the working of dual slope ADC with neat diagram. 5 K 2
Section CAttempt any one part of the following: 07 x 1 = 07
  • a
    Simplify and minimize the following four variable switching function using Quine-Mc McCluskey tabulation method
  • b
    Implement the Boolean expression using only NAND gate
  • a
    Explain the look ahead carry g enerator with neat diagram
  • b
    Implement the following function. F (A, B, C, D) = ∑m (0, 1, 3, 4, 7, 8, 9, 11, 14, 15) using
  • a
    Design a synchronous binary MOD-6 counter
  • b
    Explain Melay machine and Moore machine. Also state the diff erences between Melay and Moore machine
  • a
    Draw the circuit of an ECL gate and explain its operation. 4 K 2
  • b
    Elaborate the term PAL, PLA a nd FPGA with neat diagram. 4 K 2
  • a
    What do you mean by R-2R ladder DAC? Explain working operati on od R-2R Ladder DAC
  • b
    Enlist the different types of ADC. Alsoexplain operation of successive approximation type ADC

Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.

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