3. Processes in Operating System - Operating System

📖 From Operating System • 217 questions available

Practice MCQs for 3. Processes in Operating System. 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

📝 Topics in this Chapter

📝 Sample Questions

Q1. A CPU-bound process is one that:

🔹 A. Spends more time doing I/O than computations

🔹 B. Generates I/O requests frequently

🔹 C. Generates I/O requests infrequently and uses more time doing computations

🔹 D. Never performs computations

💡 Difficulty: easy | ✅ Correct: C

Q2. If the short-term scheduler takes 10 milliseconds to decide to execute a process for 100 milliseconds, what percentage of CPU time is wasted on scheduling?

🔹 A. 9 percent

🔹 B. 10 percent

🔹 C. 1 percent

🔹 D. 90 percent

💡 Difficulty: medium | ✅ Correct: A

Q3. 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

⬆️ View all questions in the quiz below

🚀 Start Quiz 📝 Practice Mode