📝 History Virtual Machines

📖 From Operating System • 16. Virtual Machines • 12 questions available

Practice MCQs for History Virtual Machines. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

Easy Questions

Medium Questions

Hard Questions

Q1. In which year did IBM first commercialize virtual machines on its mainframes?

🔹 A. 1970

🔹 B. 1972

🔹 C. 1974

🔹 D. 1976

💡 Difficulty: easy | ✅ Correct: B

Q2. What is the primary advantage of paravirtualization compared to full virtualization?

🔹 A. It eliminates the need for a hypervisor.

🔹 B. Guest OS is modified to cooperate with the VMM, reducing overhead.

🔹 C. It allows running unmodified guest OSes on any hardware.

🔹 D. It provides hardware emulation for legacy applications.

💡 Difficulty: medium | ✅ Correct: B

Q3. How does application containment (e.g., Solaris Zones, BSD Jails) differ from full virtualization?

🔹 A. Containment isolates the entire hardware stack, while virtualization isolates only the OS.

🔹 B. Containment shares the host kernel, whereas virtualization runs separate kernels.

🔹 C. Containment requires emulating a different CPU architecture.

🔹 D. Containment provides better performance than any hypervisor.

💡 Difficulty: hard | ✅ Correct: B

⬆️ View all questions in the quiz below

🚀 Start Quiz 📝 Practice Mode