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 06 Aug 2017 My Price 3.00

time-sharing systems

2 Describe the differences among short-term, medium-term, and long-term scheduling.Answer:Short-term (CPU scheduler) - selects from jobs in memory, those jobs which are ready to execute, and allocates the CPU to them. • Medium-term - used especially with time-sharing systems as an intermediate scheduling level. A swapping scheme is implemented to remove partially run programs from memory and reinstate them later to continue where they left off. • Long-term (job scheduler) - determines which jobs are brought into memory for processing. The primary difference is in the frequency of their execution. The short-term must select a new process quite often. Long-term is used much less often since it handles placing jobs in the system, and may wait a while for a job to finish before it admits another one.

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Maurice Tutor
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Status NEW Posted 06 Aug 2017 07:08 AM My Price 3.00

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