🏠 Home > Operating System > 10. Mass Storage Structure > Magnetic disks
← Back to 10. Mass Storage Structure

📝 Magnetic disks

📖 From Operating System • 10. Mass Storage Structure • 14 questions available

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

🔄 Last updated: 2026-07-26

3
Easy Questions
5
Medium Questions
6
Hard Questions

📝 Sample Questions

Q1. What is a sector on a magnetic disk?

🔹 A. A circular track
🔹 B. The smallest addressable unit
🔹 C. A group of platters
🔹 D. The spindle motor

💡 Difficulty: easy | ✅ Correct: B

Q2. Why are tracks at the same radius on different platters grouped into a cylinder?

🔹 A. Because the heads move together, allowing simultaneous access
🔹 B. Because each cylinder stores the same file
🔹 C. Because cylinders increase spin speed
🔹 D. Because cylinders reduce power consumption

💡 Difficulty: medium | ✅ Correct: A

Q3. Why have solid‑state drives largely replaced magnetic disks for many workloads despite higher cost per gigabyte?

🔹 A. Because SSDs have larger storage capacities
🔹 B. Because SSDs use magnetic recording like disks
🔹 C. Because SSDs provide much lower latency and higher throughput
🔹 D. Because SSDs are easier to manufacture

💡 Difficulty: hard | ✅ Correct: D

⬆️ View all questions in the quiz below

🔗 Related Topics

📝 Solid state disks📝 Magnetic tapes📝 Disk Structure📝 Host attached storage📝 Network attached storage
🚀 Start Quiz 📝 Practice Mode