ESSENTIALS OF COMPUTER ORGAN..-TEXT
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ISBN: 9781284033144
Author: NULL
Publisher: JONES+BART
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Chapter 10, Problem 8E
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Interrupt Latency and Context switch:
Interrupt latency also known as interrupt response time is the length of time it takes for a computer interrupt to be acted on a when an interrupt is generated to when the source of the interrupt is serviced.
Context switching is the process of switching a process from working on one task to working on another even before the former task is complete.
Interrupt latency is related to context switching in the following ways:
- Modern architectures are interrupt driven and if the CPU requests data from a disc, it does not need to busy-wait until the read is over.
- It can issue the request and continue with some other execution and when the read is over; the CPU can be interrupted and presented with the read...
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