Computer Organization and Architecture Unit 3 – Control Unit & Pipelining: important questions for AKTU
Unit 3 (Control Unit & Pipelining) questions that AKTU repeats most often. This unit carries about 32 marks per paper. Start with the repeated questions, then the most asked topics.
Most repeated Unit 3 questions
- 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
- What are the differences between hardwired and micro-programmed control unit? (10 marks, 2023, Hardwired & Microprogrammed Control) – also asked in 2021, 2022, 2024, 2026
- Explain the concept of RISC architecture. Discuss its features and advantages. Compare RISC with CISC architecture. (7 marks, 2026, RISC & Program Control) – also asked in 2023, 2020, 2021
Most important Unit 3 topic
- Instruction Cycle & Micro-operations (Unit 3: Control Unit & Pipelining) – asked 13 times in 2020, 2021, 2022, 2023, 2024, 2025, 2026
Most asked Unit 3 topics
- Instruction Cycle & Micro-operations – asked 13 times
- Hardwired & Microprogrammed Control – asked 12 times
- RISC & Program Control – asked 4 times
More Unit 3 previous year questions
- Explain different types of instructions. Explain various instruction formats with suitable examples. (7 marks, 2026, Instruction Types & Formats)
- Explain instruction pipelining. A pipeline has 5 stages and each stage takes 20 ns. i. Calculate the time required to execute 10 instructions without pipelining. ii. Calculate the execution time with pipelining. iii. Find the speedup. (7 marks, 2026, Pipelining)
- Explain the design and working of a hardwired control unit. Discuss about its advantages and disadvantages. (7 marks, 2026, Hardwired & Microprogrammed Control)
- What are micro-operations? Explain different types of micro-operations. (7 marks, 2026, Instruction Cycle & Micro-operations)
- Discuss the micro operations in computer architecture? (2 marks, 2025, Instruction Cycle & Micro-operations)
Unit 3 syllabus topics
- Instruction Types & Formats
- Instruction Cycle & Micro-operations
- Hardwired & Microprogrammed Control
- RISC & Program Control
- Pipelining