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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define Polling in the context of I/O operations.
💡 Hint: Remember, it's about constantly checking the device status.
Question 2
Easy
What is the purpose of a status bit?
💡 Hint: Think of it as a readiness signal.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is programmed I/O?
- A method where the CPU automatically detects devices
- A method where CPU directly controls I/O devices
- A method that eliminates CPU involvement
💡 Hint: Think about how the CPU interacts with devices.
Question 2
True or False: In isolated I/O, both memory and I/O devices share the same address space.
- True
- False
💡 Hint: Recall the definitions of both I/O addressing methods.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Describe how you would implement a loop in a device service routine to handle polling for a device's readiness.
💡 Hint: What coding structure would you use for continuous checking until a condition is met?
Question 2
Given a memory space of 1MB, explain how many I/O devices can be connected using both memory-mapped and isolated I/O methods.
💡 Hint: What is the relation between address space and device capacity in each scheme?
Challenge and get performance evaluation