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Microprocessor important questionsMost repeated in SPPU papers

These 25 questions appeared in more than one SPPU Microprocessor paper we have: 5 papers, from Apr 2023 to Apr 2026. The most-asked come first. Each one links to the papers it was asked in.

All Microprocessor papers and notes

Repeated questions

Endsem questions (19)

  1. 3×asked

    Define task switching and explain the steps involved in task switching operation.

    Dec 2025 ·May 2025 ·May 2024

  2. 3×asked

    Draw and Explain the Task State Segment of 80386.

    Dec 2025 ·May 2025 ·May 2024

  3. 3×asked

    Explore the need for a protection mechanism in 80386.

    Dec 2025 ·May 2025 ·May 2024

  4. 2×asked

    Draw and explain segment selector format.

    Dec 2025 ·May 2025

  5. 2×asked

    Draw and explain the general descriptor format.

    Dec 2025 ·May 2025

  6. 2×asked

    Explain different levels of protection? State the rules of protection check.

    Dec 2025 ·May 2025

  7. 2×asked

    Explain following in detail i) Global Descriptor Table ii) Interrupt Descriptor Table

    Dec 2025 ·May 2025

  8. 2×asked

    Explain the TSS descriptor of 80386 with a neat diagram.

    Dec 2025 ·May 2025

  9. 2×asked

    Explain the use of following instructions in detail. i) SGDT ii) LLDT iii) SIDT

    Dec 2025 ·May 2024

  10. 2×asked

    Explain various features of the 8051 microcontroller.

    Dec 2025 ·May 2024

  11. 2×asked

    With the help of neat diagram explain the process of handling interrupts in protected mode.

    Dec 2025 ·May 2024

  12. 2×asked

    With the necessary diagram, explain entering and leaving the virtual mode of 80386.

    Dec 2025 ·May 2024

  13. 2×asked

    With the necessary flowchart, explain the complete address translation process in 80386.

    Dec 2025 ·May 2024

  14. 2×asked

    Explain different types of exceptions in 80386 with suitable examples.

    May 2025 ·May 2024

  15. 2×asked

    Explain the following exceptions in brief i) Overflow, ii) Divide error iii) invalid opcode

    May 2025 ·May 2024

  16. 2×asked

    Explain the process of Segment translation in detail.

    May 2025 ·May 2024

  17. 2×asked

    List and explain various features of virtual 8086 Mode.

    May 2025 ·May 2024

  18. 2×asked

    List and explain various Privilege Instructions.

    May 2025 ·May 2024

  19. 2×asked

    With the help of neat diagram explain the architecture of typical microcontroller. … … …

    May 2025 ·May 2024

Insem questions (6)

  1. 2×asked

    Draw and explain debug registers of 80386 processor.

    Apr 2026 ·Apr 2023

  2. 2×asked

    Draw and explain write cycle with non pipelined address timing.

    Apr 2026 ·Apr 2023

  3. 2×asked

    Explain architecture of 80386 microprocessor with block diagram.

    Apr 2026 ·Apr 2023

  4. 2×asked

    Explain following addressing modes in 80386 processor with example. i) Direct addressing mode ii) Based-index addressing mode iii) Based-scaled-index addressing mode

    Apr 2026 ·Apr 2023

  5. 2×asked

    Explain following addressing modes in 80386 processor with example. i) Immediate addressing mode ii) Register addressing mode iii) Register Indirect addressing mode 2 APR-26/SE/Insem-263

    Apr 2026 ·Apr 2023

  6. 2×asked

    Explain Processor State after Reset.

    Apr 2026 ·Apr 2023

Questions count as repeated when their wording matches closely across papers. Numericals that depend on a figure are left out, since the figure changes from paper to paper.