📝 Synchronization Hardware

📖 From Operating System • 5. Process Synchronization • 54 questions available

Practice MCQs for Synchronization Hardware. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-09

Easy Questions

Medium Questions

Hard Questions

Q1. What is the fundamental premise behind hardware-based solutions for the critical-section problem?

🔹 A. Time-sharing of the CPU.

🔹 B. Locking to protect critical regions.

🔹 C. Increasing the number of processors.

🔹 D. Using complex software algorithms.

💡 Difficulty: easy | ✅ Correct: B

Q2. In a single-processor environment, how can the critical-section problem be solved simply?

🔹 A. By using a software-based solution like Peterson's.

🔹 B. By preventing interrupts from occurring while a shared variable is being modified.

🔹 C. By increasing the processor speed.

🔹 D. By using multiple threads.

💡 Difficulty: medium | ✅ Correct: B

Q3. What is the primary limitation of the basic `test and set()` and `compare and swap()` mutual-exclusion algorithms?

🔹 A. They are too slow for modern systems.

🔹 B. They do not satisfy the bounded-waiting requirement.

🔹 C. They do not satisfy the mutual-exclusion requirement.

🔹 D. They only work in single-processor systems.

💡 Difficulty: hard | ✅ Correct: B

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