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Computer Organization and Architecture (BCS302) important questions and topics for AKTU

These are ranked by how often AKTU repeats them across 7 papers. Repeated questions and "very likely" topics are the safest marks in the exam.

Most repeated Computer Organization and Architecture questions

  • Explain the working of Direct Memory Access. Describe the DMA controller and its advantages over other I/O methods. (7 marks, 2026, Modes of Data Transfer) – also asked in 2025, 2024, 2020, 2023, 2021
  • Show the multiplication process using Booth’s algorithm when the following numbers are multiplied: (-12) *(-18). (7 marks, 2024, Multiplication Algorithms) – also asked in 2021, 2022, 2023, 2020, 2026
  • Differentiate between hardwired and micro programmed control unit. Explain each component of hardwired control unit organization. (7 marks, 2024, Hardwired & Microprogrammed Control) – also asked in 2021, 2023, 2022, 2020, 2026
  • Show the multiplication process using Booth algorithm, when the following binary numbers, (+13) x (-15) are multiplied. (10 marks, 2022, Multiplication Algorithms) – also asked in 2021, 2020, 2023, 2024, 2026
  • Show the systemic multiplication process of (20) X (-19) using Booth’s algorithm (10 marks, 2021, Multiplication Algorithms) – also asked in 2020, 2022, 2023, 2024, 2026

High-probability Computer Organization and Architecture topics

  • Multiplication Algorithms (Unit 2: Arithmetic & Logic Unit) – asked 13 times in 2020, 2021, 2022, 2023, 2024, 2025, 2026
  • Instruction Cycle & Micro-operations (Unit 3: Control Unit & Pipelining) – asked 13 times in 2020, 2021, 2022, 2023, 2024, 2025, 2026
  • Modes of Data Transfer (Unit 5: Input / Output Organization) – asked 13 times in 2020, 2021, 2022, 2023, 2024, 2025, 2026