Practice Starting Address And Data Count Setup (28.5.1.1) - Lecture

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6 sample questions

Question 1.
What does DMA stand for?
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Think about how data accesses memory.
Question 2.
What is the role of the DMA controller?
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What does it directly control?
3Question 3.
What is the primary function of DMA?
- To manage CPU resources
- To facilitate direct data transfer
- To process generation of data
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Remember why we use DMA?
4Question 4.
True or False: The CPU must always be involved in DMA transfers.
- True
- False
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What benefit does DMA provide regarding CPU usage?
Question 5.
You are tasked with transferring 2000 bytes of data from a device starting at memory location 4000. Describe the setup for the DMA transfer, including data count and starting address.
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Remember the numbers you should prepare for the operation.
Question 6.
Your system experiences a crash due to incorrect DMA configuration. Reflect on what went wrong and how you might prevent similar issues in the future.
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What details cost you the crash?

6 more questions in this section. Enroll free to practise them all.