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EndsemNov 20252019 patternSE IT

Processor Architecture SPPU Endsem Question Paper Nov 2025

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated Processor Architecture questions
Subject code
214451
Pattern
2019 pattern
Exam
Endsem
Session
Nov 2025
Max. marks
70
Time
2½ Hours
Semester
IV
Paper code
[6582]-55

Printed for: S.E. (Information Technology Engg.)

Instructions to the candidates

  1. Answer Q. No. 1 or Q. No. 2, Q. No. 3 or Q. N. 4, Q. No. 5 or Q. No. 6, Q. No. 7 or Q. No. 8.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right indicate full marks.
  4. Assume suitable data, if necessary.

Questions

  1. Q1

    1. a)

      Write a short note on interrupt structure of PIC 18 microcontroller.

      [6]
    2. b)

      Design interfacing of Relay and Buzzer to PIC 18F with the help of suitable diagram. Explain its working.

      [6]
    3. c)

      Write the steps for Executing an interrupt in PIC 18F.

      [6]

  2. Q2

    1. a)

      Draw an interfacing diagram for 16 × 2 LCD with PIC 18F microcontroller and explain its working.

      [8]
    2. b)

      Explain any 3 sources of interrupt in PIC18F.

      [6]
    3. c)

      Differentiate between interrupt and polling.

      [4]

  3. Q3

    1. a)

      List the steps involved in programming of PIC 18F with respect to PWM mode of CCP module.

      [6]
    2. b)

      Draw and explain the stepper motor interfacing with PIC 18F.

      [6]
    3. c)

      Write short note on I2C bus. 2

      [5]

  4. Q4

    1. a)

      Write the steps involved in programming compare mode of CCP1 module in PIC18F.

      [6]
    2. b)

      How the speed of DC motor is controlled by PWM, explain in brief.

      [6]
    3. c)

      Distinguish between synchronous and asynchronous serial communication.

      Also asked:May 2025

      [5]

  5. Q5

    1. a)

      State the features of RTC. Explain function of following pins of DS 1306 i) SERMODE ii) SDI iii) SDO

      [7]
    2. b)

      Explain in detail the functions of ADCON1 SFR of PIC 18 microcontroller.

      [7]
    3. c)

      List out the steps necessary for reading from EEPROM of PIC 18.

      Also asked:May 2025

      [4]

  6. Q6

    1. a)

      Explain the interfacing of LM34/LM35 with PIC18FXX for temperature. measurement using on-chip ADC.

      Also asked:May 2025

      [8]
    2. b)

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

      [6]
    3. c)

      Explain in detail the functions of following flags related to onboard ADC of PIC 18 microcontroller. i) GO/DONE ii) ADON 3

      [4]

  7. Q7

    1. a)

      Draw and explain ARM core dataflow model.

      [6]
    2. b)

      Describe the ARM bus technology.

      [6]
    3. c)

      Discuss the different exceptions in ARM processor.

      [5]

  8. Q8

    1. a)

      What are the main features of ARM7 architecture? How it is different from pure RISC processor?.

      Also asked:May 2025

      [6]
    2. b)

      Write significance of special registers R13, R14 and R15 in ARM7.

      [6]
    3. c)

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

      [5]