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📝 Memory management in Windows 7

📖 From Operating System • 19. Windows 7 • 23 questions available

Practice MCQs for Memory management in Windows 7. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

5
Easy Questions
10
Medium Questions
8
Hard Questions

📝 Sample Questions

Q1. Which subsystem maintains a pool of worker threads that can execute work items queued by ISRs and DPCs?

🔹 A. The dispatcher
🔹 B. The scheduler
🔹 C. The memory manager
🔹 D. The I/O manager

💡 Difficulty: easy | ✅ Correct: B

Q2. What is the main reason the Windows dispatcher uses Deferred Procedure Calls (DPCs) after handling a device interrupt?

🔹 A. To immediately preempt the current thread for higher‑priority tasks
🔹 B. To postpone remaining interrupt work to a lower‑priority level, allowing urgent ISR processing to finish quickly
🔹 C. To create new user‑mode threads for background processing
🔹 D. To directly access CPU registers from user space

💡 Difficulty: medium | ✅ Correct: B

Q3. A driver queues an APC to notify a user‑mode thread that an asynchronous I/O operation has finished. Under which condition will the APC actually execute?

🔹 A. The thread is in a non‑alertable wait state
🔹 B. The thread is in an alertable wait state
🔹 C. The APC is executed immediately regardless of thread state
🔹 D. The APC runs only after the next DPC finishes

💡 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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