📝 Scheduling rule in Process management in Window 7

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

Practice MCQs for Scheduling rule 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 Windows kernel terminology?

🔹 A. Asynchronous Procedure Call

🔹 B. Automatic Process Control

🔹 C. Asynchronous Process Communication

🔹 D. Automatic Procedure Completion

💡 Difficulty: easy | ✅ Correct: A

Q2. Why are Deferred Procedure Calls (DPC) scheduled at a priority lower than hardware interrupt service routines but higher than normal thread execution?

🔹 A. To ensure DPCs finish before any ISR runs

🔹 B. To allow ISRs to handle time‑critical work while DPCs handle less urgent processing without pre‑empting user threads

🔹 C. Because DPCs are part of user‑mode code

🔹 D. To prioritize network traffic over disk I/O

💡 Difficulty: medium | ✅ Correct: B

Q3. How does the requirement that user‑mode APCs can execute only when a thread is in an alertable wait state affect system responsiveness and security?

🔹 A. It allows APCs to run at any time, improving responsiveness

🔹 B. It limits APC execution to controlled points, reducing the risk of unexpected code execution

🔹 C. It forces all APCs to run in kernel mode

🔹 D. It disables APCs for background services

💡 Difficulty: hard | ✅ Correct: B

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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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