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📝 Mach operating system

📖 From Operating System • 20. Influential Operating Systems • 14 questions available

Practice MCQs for Mach operating system. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

2
Easy Questions
7
Medium Questions
5
Hard Questions

📝 Sample Questions

Q1. In which year did development of the Mach operating system begin?

🔹 A. \(1980\)
🔹 B. \(1983\)
🔹 C. \(1985\)
🔹 D. \(1987\)

💡 Difficulty: easy | ✅ Correct: A

Q2. Why did Mach 3 relocate most BSD code from the kernel to user space?

🔹 A. To create a smaller microkernel
🔹 B. To improve graphics performance
🔹 C. To add more system calls
🔹 D. To support more hardware devices

💡 Difficulty: medium | ✅ Correct: A

Q3. Given two systems—one using a Mach microkernel and another using a monolithic BSD kernel—which is likely to have lower context‑switch overhead for inter‑process communication?

🔹 A. Mach microkernel system
🔹 B. Monolithic BSD kernel system
🔹 C. Both have equal overhead
🔹 D. It depends on the hardware architecture

💡 Difficulty: hard | ✅ Correct: C

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🔗 Related Topics

📝 Feature Migration in Operating Systems📝 Early Computer Systems📝 Dedicated computer systems📝 Shared computer systems📝 Overlapped I/O operating system
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