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Computer Organization and Architecture Unit 2 – Arithmetic & Logic Unit: important questions for AKTU

Unit 2 (Arithmetic & Logic Unit) questions that AKTU repeats most often. This unit carries about 30 marks per paper. Start with the repeated questions, then the most asked topics.

Most repeated Unit 2 questions

  • 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
  • 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

Most important Unit 2 topic

  • Multiplication Algorithms (Unit 2: Arithmetic & Logic Unit) – asked 13 times in 2020, 2021, 2022, 2023, 2024, 2025, 2026

Most asked Unit 2 topics

  • Multiplication Algorithms – asked 13 times
  • Floating Point Arithmetic & IEEE 754 – asked 9 times
  • Adders & Look-Ahead Carry – asked 8 times

More Unit 2 previous year questions

  • Explain the working of carry look-ahead adder with the help of an example. (2 marks, 2026, Adders & Look-Ahead Carry)
  • Explain signed number multiplication using Booth’s Algorithm. Multiply A × B where A= –5 and B=3 using Booth’s Algorithm. (2 marks, 2026, Multiplication Algorithms)
  • Explain floating-point representation and its components. (2 marks, 2026, Floating Point Arithmetic & IEEE 754)
  • Multiply the following numbers using Array Multiplier technique: A = 1101, B = 1011 (7 marks, 2026, Multiplication Algorithms)
  • Explain the design of an Arithmetic and Logic Unit. Describe various arithmetic and logical operations performed by ALU. (7 marks, 2026, ALU Design)

Unit 2 syllabus topics

  • Adders & Look-Ahead Carry
  • Multiplication Algorithms
  • Division & Logic Operations
  • Floating Point Arithmetic & IEEE 754
  • ALU Design