📝 Hold and Wait Deadlock Prevention

📖 From Operating System • 7. Deadlocks • 48 questions available

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

🔄 Last updated: 2026-07-11

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📝 Sample Questions

Q1. What is the fundamental principle for preventing the hold-and-wait condition in deadlock prevention?

🔹 A. A process must always release all resources before termination

🔹 B. A process must never request a resource that is currently available

🔹 C. A process must not hold any resources when it requests additional resources

🔹 D. A process must request resources in a specific hierarchical order

💡 Difficulty: easy | ✅ Correct: C

Q2. A process needs a DVD drive, a disk file, and a printer. Under the all-at-once protocol, what must the process do?

🔹 A. Request the DVD drive and disk file, use them, release them, then request the printer

🔹 B. Request the DVD drive first, then the disk file, then the printer sequentially

🔹 C. Request and be allocated all three resources before starting execution

🔹 D. Request resources dynamically based on immediate need

💡 Difficulty: medium | ✅ Correct: C

Q3. What condition must be met for the alternative protocol to be implemented effectively, as illustrated by the DVD-to-printer example?

🔹 A. The process must be able to preempt resources from other processes

🔹 B. The data on the disk file must be guaranteed to persist after the resources are released

🔹 C. The system must use a resource allocation graph

🔹 D. The process must not require any input/output operations

💡 Difficulty: hard | ✅ Correct: B

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🔗 Related Topics

📝 Computer System Architecture 📝 Computer System Organization 📝 Computing Environments 📝 Kernel Data Structures 📝 Memory Management

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