The processor save in fraction of its visits to keyboard

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In an 8-hour interval, an operator controls systems with 60 commands on the average, entered through a keyboard.

a. Processor scans keyboard every 100 ms. Give check counts in an 8 hours period.

b. If processor uses interrupt-driven I/O, how much does the processor save in fraction of its visits to the keyboard?

Reference no: EM1334168

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