Practice Unit 3: Dma Transfer (23.2.3) - Input-Output Primitives - Computer Organisation and Architecture

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10 questions

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6 sample questions

Question 1.
What does DMA stand for?
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Think about how devices access memory.
Question 2.
Describe one advantage of using DMA.
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Consider the involvement of CPU in other transfer methods.
3Question 3.
What does DMA stand for?
- Direct Memory Allocation
- Direct Memory Access
- Direct Management Allocation
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Focus on the definition of DMA.
4Question 4.
Is DMA faster than programmed I/O?
- True
- False
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Think about how CPU involvement affects speed.
Question 5.
Design a scenario in which DMA would significantly improve an application’s performance. Explain why DMA is chosen over programmed I/O or interrupt-driven I/O.
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Think about applications that require quick data processing.
Question 6.
Evaluate the implications of using DMA in a multitasking operating system environment. Consider both benefits and drawbacks.
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Balance the efficiency of data transfer with potential resource conflicts.

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