Question: Given that many systems have a single bus that can be controlled by only one bus master at a time (and thus the CPU cannot

Given that many systems have a single bus that can be controlled by only one bus master at a time (and thus the CPU cannot use the bus for other activities during I/O transfers), explain how a system that uses DMA for I/O can outperform one in which all I/O is done by the CPU.

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A system that uses Direct Memory Access DMA for IO can outperform one in which all IO is done by the CPU because DMA allows for more efficient data tr... View full answer

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