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EndsemMay 20242019 patternSE Comp

Microprocessor SPPU Endsem Question Paper May 2024

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

Open the PDFMost repeated Microprocessor questions
Subject code
210254
Pattern
2019 pattern
Exam
Endsem
Session
May 2024
Max. marks
70
Time
2½ Hours
Semester
IV
Paper code
[6261]-38

Printed for: S.E. (Computer)

Instructions to the candidates

  1. Attempt Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6, Q.7 or Q.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)

      Draw & Explain the general descriptor format available in various descriptor tables.

      [6]
    2. b)

      Explain the use of following Instructions in detail: i) LGDT ii) SGDT iii) SIDT

      Also asked:Dec 2025

      [6]
    3. c)

      Explain the segment Translation process of 80386.

      Also asked:May 2025

      [6]

  2. Q2

    1. a)

      With the necessary Diagram, Explain the complete Address Translation process in 80386.

      Also asked:Dec 2025

      [6]
    2. b)

      Enlist various types of system & non-system descriptors in 80386. Explain their use in brief.

      [6]
    3. c)

      Draw & Explain the General Selector Format.

      [6]

  3. Q3

    1. a)

      Explain various Aspects of Protection Mechanism of Paging unit.

      [6]
    2. b)

      What is CPL, EPL, IOPL? Explain in Brief.

      [6]
    3. c)

      Explain the need of Protection Mechanism in 80386.

      Also asked:Dec 2025 ·May 2025

      [5]

  4. Q4

    1. a)

      Explain how control transfer Instructions are executed using the call gate in the system.

      [6]
    2. b)

      List & Explain various Privilege Instructions.

      Also asked:May 2025

      [6]
    3. c)

      Elaborate the concept of combining segment Protection & Page level protection in 80386. 2

      [5]

  5. Q5

    1. a)

      Explain the structure of a V86 Task in detail. How is protection provided within the V86 task?

      [6]
    2. b)

      Draw & Explain the Task state segment of 80386.

      Also asked:Dec 2025 ·May 2025

      [6]
    3. c)

      With the necessary diagram, Explain entering & leaving the virtual mode of 80386.

      Also asked:Dec 2025

      [6]

  6. Q6

    1. a)

      Explain the TSS descriptor & its role in multitasking.

      [6]
    2. b)

      List & Explain various features of virtual 8086 Mode.

      Also asked:May 2025

      [6]
    3. c)

      Define Task switching & Explain the steps involved in task switching operation.

      Also asked:Dec 2025 ·May 2025

      [6]

  7. Q7

    1. a)

      With the help of neat diagram Explain the Process of handling Interrupts in Protected mode.

      Also asked:Dec 2025

      [6]
    2. b)

      Explain the different types of exceptions in 80386 with suitable example.

      Also asked:May 2025

      [6]
    3. c)

      With the help of neat diagram explain the architecture of typical Microcontroller.

      Also asked:May 2025

      [5]

  8. Q8

    1. a)

      Explain various Descriptors present in IDT of 80386.

      [6]
    2. b)

      Explain the following exceptions in brief. i) Divide Error ii) Invalid op code iii) Overflow

      Also asked:May 2025

      [6]
    3. c)

      Explain various features of the 8051 Microcontroller. 

      Also asked:Dec 2025

      [5]