Question: Given table shows the parameters for Interrupt-driven I/O and Direct Memory Access (DMA). Which technique of I/O operation is better? Please justify your answer. Parameters

Given table shows the parameters for Interrupt-driven I/O and Direct Memory Access (DMA). Which technique of I/O operation is better? Please justify your answer.

Parameters Processor Speed (GHz) Data Transfer (cycles) Data rate (GB/s) Percentage of I/O transfer from

Parameters Processor Speed (GHz) Data Transfer (cycles) Data rate (GB/s) Percentage of I/O transfer from total CPU time (%) Interrupt cycles Number of Bytes/transfer (MB) CPU A Interrupt-driven I/O 80 75 32 30 8 250 CPU B DMA 60 125 64 45 32

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