Practice Dma Request And Acknowledgement Signals (29.2.1) - Overview of DMA and Interrupt Driven I/O

Practice: DMA Request and Acknowledgement Signals

Lesson 29.2.1Overview 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 how data is accessed without CPU intervention.
Question 2.
Name one mode of DMA transfer.
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Recall the two primary methods of DMA operation.
3Question 3.
What does DMA stand for?
- Direct Memory Access
- Data Memory Access
- Dynamic Memory Access
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Think about how memory access might occur without the CPU.
4Question 4.
In Burst Transfer Mode, how is the data sent?
- True
- False
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Consider how 'burst' implies quantity sent at once.
Question 5.
Given a situation where a processor is handling multiple I/O operations concurrently, discuss the advantages of employing Cycle Stealing Mode as opposed to Burst Transfer Mode.
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Think about balancing seamless input/output with ongoing CPU processes.
Question 6.
If a hardware device continuously sends DMA requests to the controller, how can the DMA handle this without overwhelming the CPU?
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Consider the role of queuing or scheduling algorithms in resource management.

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