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CY-504 (C) · Computer Organization & Architecture/Important Questions

Computer Organization & Architecture (CY-504 (C)) - Important Questions

  1. Unit 27 Marks High Priority Asked: 2023, 2024

    What is Instruction Set Architecture (ISA)? Explain the various types of addressing modes with examples.

    Core topic from Unit 2; high recurrence in past papers and central to CPU-programmer interface.

  2. Unit 27 Marks High Priority Asked: 2023, 2024

    Differentiate between a hardwired control unit and a micro-programmed control unit with suitable diagrams.

    High-frequency control-unit question appearing repeatedly; tests conceptual differences and design implications.

  3. Unit 27 Marks High Priority Asked: 2023, 2024

    Define Interrupts and explain their types. How are interrupts handled in a microprocessor (case study: 8086)?

    Core Unit 2 topic; frequently asked with 8086 commonly used as a case-study for interrupt servicing.

  4. Unit 27 Marks Medium Priority Asked: 2023, 2024

    Explain the concept of Memory Hierarchy in computer architecture. Why is cache memory considered crucial in improving system performance?

    Fundamental memory organization question that appears multiple times; emphasizes cache importance.

  5. Unit 27 Marks Medium Priority Asked: 2023, 2024

    Describe the general register organization in CPU architecture. Explain the role of registers like Memory Register, Instruction Register, and Program Counter.

    Repeated topic in past papers; checks knowledge of CPU register roles and organization.

  6. Unit 27 Marks Medium Priority Asked: 2024

    Discuss the concept of floating-point and decimal arithmetic, and how these are handled by the arithmetic unit.

    Directly transcribed from Dec 2024 paper; focuses on arithmetic unit handling of numeric representations.

  7. Unit 27 Marks Medium Priority Asked: 2023

    Define Bus. Discuss the system Bus structure with a neat diagram.

    Transcribed from past paper (Nov 2023); basic but commonly asked question on system interconnects and bus architecture.

  8. Unit 27 Marks High Priority Asked: 2023, 2024

    Explain the function of a microprogram sequencer and describe the microinstruction formats used in microprogrammed control.

    Derived from frequent Control Unit / Microprogram sequencer topic in heatmap; examines microprogram sequencing and microinstruction formats.

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