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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define polling in one sentence.
💡 Hint: Think about how a parent checks if a child is ready to play.
Question 2
Easy
What is memory-mapped I/O?
💡 Hint: Consider how a shared space could work.
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 main disadvantage of polling?
- It wastes CPU time
- It is too complex
- It requires additional hardware
💡 Hint: Think about how it affects CPU performance.
Question 2
True or False: In memory-mapped I/O, I/O device addresses do not overlap with memory addresses.
- True
- False
💡 Hint: Remember what memory-mapped means!
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Propose an optimization strategy to reduce CPU time wastage during polling operations in a low-priority system.
💡 Hint: Consider the advantages of being notified versus checking repeatedly.
Question 2
Compare and contrast the efficiency of memory-mapped and isolated I/O in a scenario with multiple I/O devices.
💡 Hint: Think about the complexity of managing addresses in both schemes.
Challenge and get performance evaluation