Practice - Test Items
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Practice Questions
Test your understanding with targeted questions
What is an I/O module?
💡 Hint: Think about how devices communicate with the CPU.
Define polling in the context of I/O.
💡 Hint: How does the CPU know when to proceed with data transfer?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does an I/O module do?
💡 Hint: Think about the role of intermediaries.
True or False: Polling allows the CPU to perform other tasks while checking device status.
💡 Hint: What does the CPU do while polling?
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given a scenario where a CPU must control 10 different I/O devices, compute the address space needed if using isolated I/O.
💡 Hint: Consider how each device is uniquely addressed.
Discuss the trade-offs between using polling and interrupt-driven I/O in real-time applications.
💡 Hint: Think about CPU efficiency and system performance.
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Reference links
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