Question

An I/O device transfers 10 MB/s of data into the memory of a processor over the I/O bus, which has a total data transfer capacity of 100 MB/s. The 10 MB/s of data is transferred as 2500 independent pages of 4 KB each. If the processor operates at 200 MHz, it takes 1000 cycles to initiate a DMA transaction, and 1500 cycles to respond to the device's interrupt when the DMA transfer completes, what fraction of the processor's time is spent handling the data transfer with and without DMA?​

Answer 1

Answer:

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Explanation:

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