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📝 CompatibleTime-SharingSystem(CTSS)

📖 From Operating System • 20. Influential Operating Systems • 8 questions available

Practice MCQs for CompatibleTime-SharingSystem(CTSS). Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

2
Easy Questions
3
Medium Questions
3
Hard Questions

📝 Sample Questions

Q1. In which year was the Compatible Time-Sharing System first introduced?

🔹 A. 1961
🔹 B. 1965
🔹 C. 1970
🔹 D. 1972

💡 Difficulty: easy | ✅ Correct: A

Q2. How does a multilevel‑feedback‑queue scheduler, like the one used in CTSS, improve overall system responsiveness compared with a single‑level round‑robin scheduler?

🔹 A. It gives each job a fixed time slice regardless of behavior
🔹 B. It dynamically adjusts priorities based on CPU bursts
🔹 C. It always runs the longest‑waiting job first
🔹 D. It prevents any job from ever being preempted

💡 Difficulty: medium | ✅ Correct: C

Q3. What was the most significant influence of CTSS on the design of later operating systems such as MULTICS?

🔹 A. It introduced graphical user interfaces
🔹 B. It pioneered virtual memory paging
🔹 C. It implemented multilevel feedback scheduling
🔹 D. It supported distributed computing

💡 Difficulty: hard | ✅ Correct: D

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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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