Practice - Input - Output Systems and Program-Controlled I/O
Practice Questions
Test your understanding with targeted questions
What is an I/O port?
💡 Hint: Think about how CPUs connect to devices.
Define busy-waiting.
💡 Hint: Consider how the CPU spends its time while waiting.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does an I/O port represent?
💡 Hint: Consider how CPUs talk to I/O devices.
True or False: Busy-waiting allows the CPU to perform other tasks.
💡 Hint: Think about what the CPU does while waiting.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Critically analyze the impact of polling on CPU performance in a system processing multiple I/O devices simultaneously. What alternative methods might alleviate the issues raised?
💡 Hint: Think about how the CPU divides its attention among tasks.
Discuss a real-world scenario where polling is effectively used despite its drawbacks. What features of such systems make polling a suitable choice?
💡 Hint: Consider devices that perform only one or two specific functions.
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Reference links
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