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InsemAug 20252019 patternTE E&TC

Microcontrollers & applications SPPU Insem Question Paper Aug 2025

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

Open the PDFMost repeated Microcontrollers & applications questions
Subject code
304184
Pattern
2019 pattern
Exam
Insem
Session
Aug 2025
Max. marks
30
Time
1 Hour
Semester
I
Paper code
[6579]-351

Printed for: T.E. (E & TC) /Electronics (VLSI Design and

Instructions to the candidates

  1. Answer Q1 or Q2 and Q3 or Q4.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right indicate full marks.
  4. Use of Calculator is allowed.
  5. Assume suitable data, if necesary.

Questions

  1. Q1

    1. a)

      Draw and explain internal memory organization of 8051.

      Also asked:Oct 2024 ·Oct 2023

      [5]
    2. b)

      Explain the port 1 structure of 8051 in detail.

      [5]
    3. c)

      State salient features of 8051 microcontroller.

      Also asked:Oct 2024

      [5]

  2. Q2

    1. a)

      Compare Microprocessor and Microcontroller

      [5]
    2. b)

      Explain IE register in detail.

      [5]
    3. c)

      Enlist various modes of operation of Timer & Explain in details.

      Also asked:Oct 2023

      [5]

  3. Q3

    1. a)

      Draw an interfacing diagram for Stepper motor with 8051. Explain the need of ULN 2003.

      [7]
    2. b)

      Describe interfacing of ADC 0808/0809 to 8051 microcontroller with necessary diagram.

      [8]

  4. Q4

    1. a)

      What are the different types of 7 segment display? Write an embedded C program to display 0 to 9 with a delay of 500ms.

      [7]
    2. b)

      Write an embedded C program to blink alternate LEDs connected to PORT 1 of 8051 microcontroller (blink LEDs after 1 sec). 

      [8]