Practice Initial Configuration With Dma Controller (29.3.1) - Overview of DMA and Interrupt Driven I/O

Practice: Initial Configuration with DMA Controller

Lesson 29.3.1Overview of DMA and Interrupt Driven I/O

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9 questions

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6 sample questions

Question 1.
What does DMA stand for?
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Think about the role of memory in data transfer.
Question 2.
What is burst transfer mode?
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Reflect on how data is delivered in one go.
3Question 3.
What is the main function of a DMA controller?
- To transfer data between memory and CPU
- To handle data transfer between memory and peripherals
- To execute programs
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Focus on the primary role of DMA.
4Question 4.
True or False: DMA transfers pause the CPU's operations for the entire duration of transfer.
- True
- False
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Remember the differences between interrupt-driven I/O and DMA.
Question 5.
Design a simple DMA controller architecture labeling all the parts and explaining their functions.
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Think about how each component interacts with the others.
Question 6.
If a DMA controller transfers 256 KB of data in burst mode, how long will the CPU be suspended if the transfer rate is 1 MB/s?
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Use your understanding of data sizes and transfer rates.

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