← Back to 13. I/O Systems

πŸ“ I/O Hardware in I/O Systems

πŸ“– From Operating System β€’ 13. I/O Systems β€’ 24 questions available

Practice MCQs for I/O Hardware in I/O Systems. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

πŸ”„ Last updated: 2026-07-27

6
Easy Questions
9
Medium Questions
9
Hard Questions

πŸ“ Sample Questions

Q1. What is the term for a set of wires that multiple devices share for communication?

πŸ”Ή A. Port
πŸ”Ή B. Bus
πŸ”Ή C. Hub
πŸ”Ή D. Switch

πŸ’‘ Difficulty: easy | βœ… Correct: B

Q2. In a daisy‑chain configuration, which statement is true?

πŸ”Ή A. All devices share a single clock signal
πŸ”Ή B. Only the first device can initiate communication
πŸ”Ή C. Each device forwards data to the next device on the chain
πŸ”Ή D. The chain must terminate with a resistor

πŸ’‘ Difficulty: medium | βœ… Correct: C

Q3. If a joystick sends a signal that is interpreted incorrectly by the flight computer, which layer of the I/O system is most likely at fault?

πŸ”Ή A. Physical connector
πŸ”Ή B. Device driver
πŸ”Ή C. Operating system scheduler
πŸ”Ή D. Application software

πŸ’‘ Difficulty: hard | βœ… Correct: B

⬆️ View all questions in the quiz below

πŸ”— Related Topics

πŸ“ Overview of I/O SystemsπŸ“ Polling in I/O HardwareπŸ“ Interrupts in I/O HardwareπŸ“ Direct memory access in I/O HardwareπŸ“ I/O hardware summary
πŸš€ Start Quiz πŸ“ Practice Mode