Computer Organization and Architecture (BCS302) AKTU predicted paper 2026-27
AI-predicted paper for Computer Organization and Architecture based on 7 past papers (2020, 2021, 2022, 2023, 2024, 2025, 2026). NOT an official AKTU paper. Use as a revision tool only.
Paper pattern
- Section A: Attempt all questions. (14 marks)
- Section B: Attempt any THREE questions out of five. (21 marks)
- Section C: Attempt ONE question from each pair (a or b). (35 marks)
Why these questions
- Unit 3 (Control Unit & Pipelining) dominates — 21% avg weightage
- Asked every year: Adders & Look-Ahead Carry, Multiplication Algorithms
- Due for comeback: Addressing Modes, Virtual Memory
- Most repeated topic: Multiplication Algorithms
Section A – 2-mark questions
- What is mean by bus arbitration? List different types of bus arbitration.
- Explain the working of carry look-ahead adder with the help of an example.
- Differentiate between horizontal and vertical microprogramming.
- Define HIT and MISS ratio in memory with an example.
- Why does the DMA get priority over CPU when both request memory transfer?
- Discuss the micro operations in computer architecture?
- Explain floating-point representation and its components.
Section B – sample questions
- Explain the working of Direct Memory Access. Describe the DMA controller and its advantages over other I/O methods.
- Differentiate between hardwired and micro programmed control unit. Explain each component of hardwired control unit organization.
- Explain the concept of interrupts. Describe interrupt hardware and explain different types of interrupts.