Practice - Special I/O Commands
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Practice Questions
Test your understanding with targeted questions
What does polling refer to in I/O operations?
💡 Hint: Think about how you wait for a device to be ready.
Define memory-mapped I/O.
💡 Hint: What happens to addresses in this situation?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary problem with polling in I/O operations?
💡 Hint: Think about the efficiency of waiting.
True or False: Control commands are only used in isolated I/O.
💡 Hint: Recall the function of control commands in general.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a simple flowchart that illustrates the steps taken by a CPU to perform an I/O operation using programmed I/O.
💡 Hint: Think about the logical sequence of events for an I/O operation.
Discuss potential improvements that could be made to programmed I/O to enhance efficiency and specify how you might implement them.
💡 Hint: Consider the trade-offs between waiting and immediate notification.
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