1.

A system using interrupt-driven I/O that transfers data at an average of 8 KB/s on a continuous basis is connected to a storage device a. The interrupt processing time is about 100 ms (which includes the time to jump to the (ISR), execute it, and return to the main program). Consider if the interrupt is for every byte, what portion of processor time is used up by this I/O device.

Answer»

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