Maurice Tutor

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Teaching Since: May 2017
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  • 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 17 Jul 2017 My Price 9.00

Model Railroadin

Students who want to enroll in Model Railroading II at the local university are required to obtain permission from the instructor and pay a laboratory fee. The two requirements are fulfilled independently in either order and at different locations on campus. Enrollment is limited to 20 students; this limit is maintained by both the instructor, who will grant permission to only 20 students, and the financial office, which will allow only 20 students to pay the laboratory fee. Suppose that this registration system has resulted in 19 students having successfully registered for the course, but with the final space being claimed by 2 students-one who has only obtained permissionfrom the instructor and another who has only paid the fee. Which requirement for deadlock is removed by each of the following solutions to the problem

a. Both students are allowed in the course,

b. The class size is reduced to 19, so neither of the two students is allowed to register for the course.

c. The competing students are both denied entry to the class and a third student is given the twentieth space.

d. It is decided that the only requirement for entry into the course is the payment of the fee. Thus the student who has paid the feegets into the course, and entry is denied to the other student.

Answers

Maurice Tutor
(5)
Status NEW Posted 17 Jul 2017 08:07 PM My Price 9.00

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