14. Protection - Operating System

📖 From Operating System • 275 questions available

Practice MCQs for 14. Protection. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

Easy Questions

131

Medium Questions

Hard Questions

Q1. What is the main purpose of a protection system in a computer?

🔹 A. To increase processing speed

🔹 B. To enforce policies governing resource use

🔹 C. To reduce power consumption

🔹 D. To improve user interface

💡 Difficulty: easy | ✅ Correct: B

Q2. How does early detection of interface errors improve overall system reliability?

🔹 A. It speeds up the CPU clock

🔹 B. It prevents contamination of healthy components

🔹 C. It increases memory size

🔹 D. It eliminates the need for backups

💡 Difficulty: medium | ✅ Correct: B

Q3. Why can a protection system improve reliability by detecting latent errors at subsystem interfaces?

🔹 A. Latent errors are always visible

🔹 B. Detecting them early stops propagation to other components

🔹 C. Latent errors increase performance

🔹 D. Detection makes errors disappear

💡 Difficulty: hard | ✅ Correct: B

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