📝 Operations on Processes

📖 From Operating System • 3. Processes in Operating System • 4 questions available

Practice MCQs for Operations on Processes. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-05

Easy Questions

Medium Questions

Hard Questions

Q1. The wait() system call in UNIX causes the parent to:

🔹 A. Terminate immediately

🔹 B. Move itself off the ready queue until the child terminates

🔹 C. Create a new child

🔹 D. Execute a new program

💡 Difficulty: easy | ✅ Correct: B

Q2. In the Linux example, what role does the khelper process play?

🔹 A. It manages user login

🔹 B. It creates additional processes on behalf of the kernel

🔹 C. It manages ssh connections

🔹 D. It runs the bash shell

💡 Difficulty: hard | ✅ Correct: B

Q3. A zombie process consumes:

🔹 A. No resources except its entry in the process table

🔹 B. All its allocated resources

🔹 C. CPU time

🔹 D. Memory

💡 Difficulty: hard | ✅ Correct: A

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