🏠 Home > Operating System > 19. Windows 7 > Windows and POSIX application compatibility
← Back to 19. Windows 7

📝 Windows and POSIX application compatibility

📖 From Operating System • 19. Windows 7 • 8 questions available

Practice MCQs for Windows and POSIX application compatibility. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

1
Easy Questions
4
Medium Questions
3
Hard Questions

📝 Sample Questions

Q1. Which version of Windows was the first to ship a native 64‑bit edition?

🔹 A. Windows XP
🔹 B. Windows Vista
🔹 C. Windows 7
🔹 D. Windows 8

💡 Difficulty: easy | ✅ Correct: A

Q2. What is the primary advantage of moving the Desktop Window Manager (DWM) to a user‑mode process in Windows Vista and later?

🔹 A. Improves kernel security
🔹 B. Allows better isolation and crash recovery
🔹 C. Reduces need for DirectX
🔹 D. Enables 32‑bit only graphics

💡 Difficulty: medium | ✅ Correct: A

Q3. Why does Windows 7’s reduction of DWM’s memory footprint improve overall system performance on machines with limited RAM?

🔹 A. Smaller DWM means fewer background threads
🔹 B. Reduced memory usage frees cache for applications
🔹 C. It lowers CPU clock speed
🔹 D. It disables DirectX entirely

💡 Difficulty: hard | ✅ Correct: A

⬆️ View all questions in the quiz below

🔗 Related Topics

📝 History of Windows 7📝 Security in Windows 7📝 Reliability of Windows 7📝 Windows 7 designed for High performance📝 Extensibility of Windows 7
🚀 Start Quiz 📝 Practice Mode