A particular system is controlled by an operator through commands entered from a keyboard. The average number
Question:
a. Suppose the processor scans the keyboard every 100 ms. How many times will the keyboard be checked in an 8-hour period?
b. By what fraction would the number of processor visits to the keyboard be reduced if interrupt-driven I/O were used?
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Related Book For
Computer organization and architecture designing for performance
ISBN: 978-0136073734
8th edition
Authors: william stallings
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