A computer has an average interrupt response time of p, takes q to process an interrupt, and
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A computer has an average interrupt response time of p, takes q to process an interrupt, and takes s to return from interrupt. If a polled interrupt mechanism is implemented and takes x to poll a device and y to service a device that interrupted, how many devices can be polled before polling becomes less efficient than an interrupt-driven 1/0?
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The time taken to deal with an interrupt is p q ...View the full answer
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Related Book For 
Computer Organization And Architecture Themes And Variations
ISBN: 9781111987046
1st Edition
Authors: Alan Clements
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