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📝 Windows 7 Switching between user mode and kernel mode threads

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

Practice MCQs for Windows 7 Switching between user mode and kernel mode threads. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

2
Easy Questions
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Medium Questions
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Hard Questions

📝 Sample Questions

Q1. A user program needs to request disk I/O. Which mechanism causes the thread to move from user mode to kernel mode to perform the operation?

🔹 A. System call
🔹 B. Interrupt
🔹 C. Exception
🔹 D. POLLING

💡 Difficulty: easy | ✅ Correct: A

Q2. Why does Windows separate the HAL, kernel, and executive layers?

🔹 A. To simplify hardware abstraction
🔹 B. To improve security
🔹 C. To increase execution speed
🔹 D. TO REDUCE MEMORY USAGE

💡 Difficulty: medium | ✅ Correct: A

Q3. When a thread switches from user mode to kernel mode, which processor state elements must be saved to preserve execution context?

🔹 A. Only instruction pointer
🔹 B. Instruction pointer and flags
🔹 C. Instruction pointer, flags, and stack pointer
🔹 D. ENTIRE REGISTER SET INCLUDING FLOATING‑POINT

💡 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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