13. I/O Systems - Operating System

Q1. A new USB mouse is attached to a computer. Which method allows the operating system to control it with minimal changes to existing code?

💡 Difficulty: easy | ✅ Correct: B

Q2. A tape robot uses proprietary commands not found in existing drivers. Which design principle should the OS employ to integrate this device while keeping the kernel manageable?

💡 Difficulty: medium | ✅ Correct: C

Q3. When deciding whether to implement I/O handling for a new sensor in kernel space or user space, which factor most strongly influences the decision?

💡 Difficulty: hard | ✅ Correct: A