Practice Principles Of I/o Software (9.2) - I/O Systems - Operating Systems
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Principles of I/O Software

Practice - Principles of I/O Software

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does PIO stand for?

💡 Hint: Think about how the CPU interacts with I/O devices.

Question 2 Easy

Name one benefit of Interrupt-Driven I/O.

💡 Hint: Consider what the CPU does while waiting for I/O completion.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does Programmed I/O involve?

a) CPU offloads I/O
b) CPU directly manages I/O
c) DMA transfers data

💡 Hint: Consider who is doing all the work.

Question 2

True or False: Direct Memory Access (DMA) requires constant CPU supervision during data transfer.

True
False

💡 Hint: Think about the role of the CPU during DMA operations.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a scenario for a complex I/O operation that would benefit from DMA rather than Programmed I/O. Explain your reasoning.

💡 Hint: Consider what I/O speeds and CPU time imply for performance.

Challenge 2 Hard

Analyze how implementing Interrupt-driven I/O can improve user experience in an operating system's text document editor.

💡 Hint: Think about multitasking and responsiveness.

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Reference links

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