20. Influential Operating Systems - Operating System

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Practice MCQs for 20. Influential Operating Systems. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

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Q1. In what year did the MULTICS operating system development begin?

🔹 A. 1960

🔹 B. 1965

🔹 C. 1970

🔹 D. 1975

💡 Difficulty: easy | ✅ Correct: B

Q2. How did the design principles of MULTICS influence the architecture of UNIX?

🔹 A. By copying its graphical user interface directly.

🔹 B. By adopting its file system hierarchy unchanged.

🔹 C. By inheriting concepts such as hierarchical file system, process isolation, and security rings.

🔹 D. By using the same hardware platform.

💡 Difficulty: medium | ✅ Correct: C

Q3. Why have some mainframe features not migrated to handheld devices despite success on desktops?

🔹 A. High resource requirements and limited power make them impractical for handhelds.

🔹 B. Handheld users prefer command-line interfaces.

🔹 C. Desktop OS vendors block feature sharing.

🔹 D. Handheld hardware uses the same architecture as mainframes.

💡 Difficulty: hard | ✅ Correct: A

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