Practice - Concept - 7.3.2
Practice Questions
Test your understanding with targeted questions
What does the I/O subsystem do?
💡 Hint: Think about how computers interact with peripherals.
What is polling in the context of I/O?
💡 Hint: Consider how the CPU manages checks on devices.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main function of the I/O subsystem?
💡 Hint: Recall what 'I/O' stands for.
True or False: Polling is an efficient method of I/O management.
💡 Hint: Think about CPU utilization during polling.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Explain how the choice between polling and interrupts might affect the design of a multitasking operating system.
💡 Hint: Consider the impact of CPU time utilization in multitasking scenarios.
Calculate the efficiency gain you might expect from implementing DMA when transferring large files compared to a CPU-controlled method.
💡 Hint: Think about data transfer without needing CPU checks and context saves.
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Reference links
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