Home › AKTU PYQ › Computer Organization and Architecture › Important Topics

Computer Organization and Architecture (BCS302) important topics for AKTU – unit-wise

Topics are ranked by how many times AKTU asked them across 7 papers. Finish the "very likely" topics first, then the top topics of each unit.

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

What to cover inside these topics

  • Booth's Algorithm (part of Multiplication Algorithms)
  • Array Multiplier (part of Multiplication Algorithms)
  • Direct Memory Access (DMA) (part of Modes of Data Transfer)

Most asked Computer Organization and Architecture topics in each unit

  • Unit 1 (Introduction & Processor Organization): Buses & Bus Arbitration – 11 times; Processor & Register Organization – 9 times; Functional Units & Interconnection – 6 times
  • Unit 2 (Arithmetic & Logic Unit): Multiplication Algorithms – 13 times; Floating Point Arithmetic & IEEE 754 – 9 times; Adders & Look-Ahead Carry – 8 times
  • Unit 3 (Control Unit & Pipelining): Instruction Cycle & Micro-operations – 13 times; Hardwired & Microprogrammed Control – 12 times; RISC & Program Control – 4 times
  • Unit 4 (Memory): Memory Concept & Hierarchy – 11 times; Cache Memory – 10 times; Semiconductor RAM & ROM Memories – 7 times
  • Unit 5 (Input / Output Organization): Modes of Data Transfer – 13 times; Interrupts & Exceptions – 6 times; I/O Interface & Ports – 5 times