📝 Thread priorities in Process management in Window 7

📖 From Operating System • 19. Windows 7 • 6 questions available

Practice MCQs for Thread priorities in Process management in Window 7. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

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📝 Sample Questions

Q1. What does APC stand for in the Windows kernel?

🔹 A. Asynchronous Procedure Call

🔹 B. Advanced Process Control

🔹 C. Application Process Component

🔹 D. Asynchronous Power Control

💡 Difficulty: easy | ✅ Correct: A

Q2. Why are DPC routines executed at a priority higher than normal threads but lower than hardware interrupts?

🔹 A. Because DPCs must not preempt interrupt service routines but need to finish before regular threads resume

🔹 B. Because DPCs are user‑mode code and must stay below kernel‑mode priorities

🔹 C. Because DPCs are only for I/O completion and therefore share the same priority as threads

🔹 D. Because DPCs run on a separate processor core dedicated to background tasks

💡 Difficulty: medium | ✅ Correct: A

Q3. In which condition can a user‑mode APC be delivered to a thread?

🔹 A. Only when the thread is in a non‑alertable wait state

🔹 B. Only when the thread is executing kernel code

🔹 C. Only when the thread is waiting in the kernel and marked alertable

🔹 D. Only when the thread has highest priority in the system

💡 Difficulty: hard | ✅ Correct: C

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🔗 Related Topics

📝 History of Windows 7 📝 Security in Windows 7 📝 Reliability of Windows 7 📝 Windows and POSIX application compatibility 📝 Windows 7 designed for High performance

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