Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 17 Jul 2017 My Price 9.00

process of spooling output

1. Identify the use of a queue in the process of spooling output to a printer.

2. A process that is waiting for a time slice is said to suffer starvation if it is never given a time slice.

a. The pavement in the middle of an intersection can be considered as a non-shareable resource for which cars approaching the intersection compete. A traffic light rather than an operating system is used to control the allocation of the resource. If the light isable to sense the amount of traffic arriving from each direction and is programmed to give the green light to the heavier traffic, the lighter traffic might suffer from starvation. How is starvation avoided?

b. In what sense can a process starve if the dispatcher always assigns time slices according to a priority system in which the priority of each process remains fixed? (Hint What is the priority of the process that just completed its time slice in comparison to the processes that are waiting, and consequently which routine gets the next time slice?) How, would you guess, do many operating systems avoid this problem?

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Maurice Tutor
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Status NEW Posted 17 Jul 2017 08:07 PM My Price 9.00

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