What is the purpose and technique of dma logic

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1. Should DMA access to main memory be given higher priority than processor access to main memory? What is the purpose and technique of DMA logic?
2. What are the differences between an interrupt and a trap? Provide an example of each. Why are they important?
3. What are the four main elements of a computer and define their purpose and interrelationship?

Reference no: EM13668395

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