Practice Dma Controller Functionality (28.4) - Lecture – 35 - Computer Organisation and Architecture

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10 questions

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6 sample questions

Question 1.
What is DMA?
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Think about what 'direct' means in this context.
Question 2.
What signals does the CPU provide to the DMA controller?
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Consider the setup parameters for the transfer.
3Question 3.
What does DMA stand for?
- Dynamic Memory Access
- Direct Memory Access
- Digital Memory Allocation
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Focus on the meaning of 'direct' in data transfers.
4Question 4.
True or False: The CPU is involved during the entire DMA process.
- True
- False
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Consider when the CPU is active in the process.
Question 5.
Consider a scenario where a DMA controller needs to transfer 1500 bytes from an input device to memory. How would the controller track the progress of this transfer?
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Think about how counting and locating data is managed.
Question 6.
Imagine a system where a CPU initializes and hands off a DMA operation to the controller. What would you expect to happen if an interrupt occurs during data transfer?
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Consider the priorities of operations during the data transfer.

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