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A microprocessor scans the status of an output I / O device every 1 5 ms . This is accomplished by means of a timer
A microprocessor scans the status of an output IO device every ms This is accomplished by means of a timer alerting the processor every ms The interface of the device includes two ports: one for status and one for data output. How long does it take to scan and s
for simplicity that all pertinent instruction cycles take clock cycles.
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