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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is polling?
💡 Hint: Think about how the CPU communicates with devices.
Question 2
Easy
Name one disadvantage of polling.
💡 Hint: Consider what else the CPU might want to do.
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 the primary issue with polling?
- It is fast
- It wastes CPU time
- It uses too much memory
💡 Hint: Think about what polling does to the CPU's time.
Question 2
True or False: Memory-mapped I/O allows for separate address spaces.
- True
- False
💡 Hint: Remember how the addressing schemes differ.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Explain how the CPU's inefficiency during polling can affect overall system performance.
💡 Hint: Consider performance impact on multitasking.
Question 2
Design a scenario where isolated I/O would be more beneficial than memory-mapped I/O.
💡 Hint: Think about systems with multiple devices connected at once.
Challenge and get performance evaluation