Maurice Tutor

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Teaching Since: May 2017
Last Sign in: 398 Weeks Ago, 4 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 > Computer Science Posted 22 Sep 2017 My Price 4.00

multiprogramming system

1. Suppose we represent each process in a multiprogramming system with a dot and draw an arrow from one dot to another if the process represented by the first dot is waiting for a (non-shareable) resource being used by the second. Mathematicians call the resulting picture a directed graph. What property of the directed graph is equivalent to deadlock in the system?

2. Give some examples of poor choices for passwords and explain why they would be poor choices.

3. Processors in Intel’s Pentium series provide for four privilege levels. Why would the designers of CPUs decide to provide four levels rather than three or five?

4. If a process in a multiprogramming system could access memory cells outside its allotted area, how could it gain control of the machine?

Answers

Maurice Tutor
(5)
Status NEW Posted 22 Sep 2017 10:09 PM My Price 4.00

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