📝 Deadlock Detection

📖 From Operating System • 7. Deadlocks • 37 questions available

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

🔄 Last updated: 2026-07-11

Easy Questions

Medium Questions

Hard Questions

Q1. When is a deadlock detection scheme typically employed?

🔹 A. When the system uses strict deadlock prevention.

🔹 B. When the system uses deadlock avoidance.

🔹 C. When the system employs neither prevention nor avoidance algorithms.

🔹 D. When the system has only one process.

💡 Difficulty: easy | ✅ Correct: C

Q2. Does the detection-and-recovery scheme apply to systems with single-instance resources?

🔹 A. No, only multiple instances.

🔹 B. Yes, it applies to single-instance systems.

🔹 C. No, only single-instance systems.

🔹 D. It depends on the CPU architecture.

💡 Difficulty: medium | ✅ Correct: B

Q3. What is a significant disadvantage of using a detection-and-recovery scheme?

🔹 A. It guarantees no deadlocks.

🔹 B. It requires no overhead.

🔹 C. It incurs overhead including run-time costs and potential recovery losses.

🔹 D. It is faster than prevention.

💡 Difficulty: hard | ✅ Correct: C

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