Practice I/o Management Techniques (5.4) - Input/Output (I/O) Management in Real-Time and Embedded Environments
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I/O Management Techniques

Practice - I/O Management Techniques

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the main disadvantage of polling?

💡 Hint: Think about what else the CPU could do while waiting.

Question 2 Easy

What does ISR stand for?

💡 Hint: What happens when an interrupt occurs?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a major drawback of polling?

It uses less CPU time
It can waste CPU cycles
It improves system performance

💡 Hint: Think about how CPUs allocate their time.

Question 2

True or False: DMA requires direct CPU intervention for data transfers.

True
False

💡 Hint: Consider how DMA operates compared to other methods.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

In a system with multiple sensors, describe how you would implement both polling and interrupt-driven I/O and discuss the trade-offs.

💡 Hint: Consider system requirements and sensor importance.

Challenge 2 Hard

Design a simple data-logging application that uses DMA for speed. Describe how you'd handle potential issues such as buffer overflows.

💡 Hint: Think about data management and buffer strategies.

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Reference links

Supplementary resources to enhance your learning experience.