📝 Scheduler Activations

📖 From Operating System • 4. Threads in Operating System • 41 questions available

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

🔄 Last updated: 2026-07-08

Easy Questions

Medium Questions

Hard Questions

Q1. What is the primary purpose of communication between the kernel and thread library in many-to-many models?

🔹 A. To terminate threads

🔹 B. To dynamically adjust the number of kernel threads for performance

🔹 C. To create new processes

🔹 D. To allocate memory

💡 Difficulty: easy | ✅ Correct: B

Q2. What happens when a kernel thread blocks in a many-to-many model?

🔹 A. Only the kernel thread blocks

🔹 B. The LWP and attached user thread also block

🔹 C. The entire process blocks

🔹 D. Other threads are preempted

💡 Difficulty: medium | ✅ Correct: B

Q3. What does the kernel do when an application thread is about to block in scheduler activation?

🔹 A. Terminates the thread

🔹 B. Allocates a new virtual processor

🔹 C. Blocks all threads

🔹 D. Creates a new process

💡 Difficulty: hard | ✅ Correct: B

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