5. Process Synchronization - Operating System

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Practice MCQs for 5. Process Synchronization. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-09

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Easy Questions

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Medium Questions

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Hard Questions

Q1. Which function reads the current value of an atomic integer in Linux?

🔹 A. atomic_get()

🔹 B. atomic_value()

🔹 C. atomic_read()

🔹 D. atomic_retrieve()

💡 Difficulty: easy | ✅ Correct: C

Q2. What is the purpose of the `test()` function in the monitor solution?

🔹 A. To test if a philosopher is thinking

🔹 B. To test if a philosopher can start eating and signal if possible

🔹 C. To test if chopsticks are available

🔹 D. To test if a philosopher has finished eating

💡 Difficulty: medium | ✅ Correct: B

Q3. In the `test()` function, what happens when a philosopher is allowed to eat?

🔹 A. state[i] = HUNGRY

🔹 B. state[i] = THINKING

🔹 C. state[i] = EATING

🔹 D. state[i] = WAITING

💡 Difficulty: hard | ✅ Correct: C

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