Practice - Software Poll Mechanism
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Practice Questions
Test your understanding with targeted questions
What is the function of the interrupt enable flag?
💡 Hint: Think about control over device communications.
What does polling mean in the context of CPU and devices?
💡 Hint: It involves checking status updates from devices.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the interrupt enable flag do?
💡 Hint: It directly relates to device communications.
True or False: The CPU services the highest priority interrupt first.
💡 Hint: Consider which task is most urgent.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
In a system with multiple devices generating interrupts, design an algorithm for software polling that efficiently identifies which device needs service. Explain the reasoning behind your design choices.
💡 Hint: Consider how you might group devices or limit checks based on earlier status.
Evaluate the pros and cons of implementing a daisy chain polling method in a system with 10+ devices. What factors would influence your decision?
💡 Hint: Think about how the layout affects efficiency.
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