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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the I/O subsystem do?
💡 Hint: Think about how computers interact with peripherals.
Question 2
Easy
What is polling in the context of I/O?
💡 Hint: Consider how the CPU manages checks on devices.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the main function of the I/O subsystem?
- Process data.
- Facilitate communication with external devices.
- Store data.
💡 Hint: Recall what 'I/O' stands for.
Question 2
True or False: Polling is an efficient method of I/O management.
- True
- False
💡 Hint: Think about CPU utilization during polling.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation