Maurice Tutor

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About Maurice Tutor

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Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 408 Weeks Ago, 2 Days Ago
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 29 Sep 2017 My Price 4.00

general strategy

Describe the general strategy behind deadlock prevention, and give an example of a practical deadlock prevention method. Deadlock prevention is theorised on the basis that if one nullifies one of the four conditions for deadlock to occur (mutual exclusion, hold and wait, circular wait and no preemption), a deadlock cannot occur. Attacking mutual exclusion and no preemption has no practical basis, so we commonly prevent the circular wait condition. We do this by globally numbering all resources. (e.g. Blu-Ray drive #1 and USB Hard Drive #2). At every instant – one of the processes will have the highest numbered resource. The process holding it will never ask for a lower one, because we only allow processes to access higher numbered resources. Eventually it will finish and free all its resources. All processes can finish.

Answers

Maurice Tutor
(5)
Status NEW Posted 29 Sep 2017 10:09 AM My Price 4.00

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