Practice Direct Memory Access (dma) (9.2.3) - I/O Systems - Operating Systems
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Direct Memory Access (DMA)

Practice - Direct Memory Access (DMA)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does DMA stand for?

💡 Hint: Think about data transfer methods.

Question 2 Easy

What role does the CPU play in DMA?

💡 Hint: Consider how the CPU interacts with other hardware.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main function of DMA?

To control the CPU
To allow direct data transfer between devices and memory
To replace the CPU

💡 Hint: Think about how data can move directly without CPU actions.

Question 2

True or False: DMA requires the CPU to constantly manage data transfers.

True
False

💡 Hint: Reflect on which component manages the data transition.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

In a scenario where a computer is handling multiple I/O operations, describe how DMA improves system performance. Consider both CPU and data throughput perspectives.

💡 Hint: Think about multitasking in a real-world job scenario.

Challenge 2 Hard

What would happen to system performance if DMA were not used in high-throughput environments like video rendering or downloading large files? Discuss potential bottlenecks.

💡 Hint: Reflect on how data handling would shift in responsibilities.

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Reference links

Supplementary resources to enhance your learning experience.