"Virtualization & Memory" Please respond to the following:

timer Asked: Dec 14th, 2015
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Question Description

Evaluate the efficiency and reliability of both the most common nonpreemptive dispatch algorithms and the most common preemptive dispatch algorithms used for scheduling decisions. Provide one (1) example of the best use for each dispatch algorithm.

Tutor Answer

School: Cornell University

Thank you for the opportunity to help you with your question!

Hi friend,

CPU scheduling has different algorithm.

Dispatcher help to select the different modes for e.g. 

switch context 

switching user mode 

jump to program to restart

Non premeeptive algorithm is not efficient compare to preemptive.

Average waiting time and turn around  for non premeeptive will be greater than other technique 

Please let me know if you have any questions.

Please let me know if you need any clarification. I'm always happy to answer your questions.

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Excellent job

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