Gazi University computer center equipped with four identical mainframe computers. The number of users at any...
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Gazi University computer center equipped with four identical mainframe computers. The number of users at any time is 25. Each user is capable of submitting a job from a terminal every 15 minutes, on the average, but the actual time between submissions is exponential. Arriving jobs will automatically go to the first available computer. The execution time per submission is exponential with mean 2 minutes. Compute the following: a. The probability that a job is not executed immediately on submission. b. The average time until the output of a job is returned to the user c. The average number of jobs awaiting execution d. The percentage of time the entire computer center is idle. e. The average number of idle computers Gazi University computer center equipped with four identical mainframe computers. The number of users at any time is 25. Each user is capable of submitting a job from a terminal every 15 minutes, on the average, but the actual time between submissions is exponential. Arriving jobs will automatically go to the first available computer. The execution time per submission is exponential with mean 2 minutes. Compute the following: a. The probability that a job is not executed immediately on submission. b. The average time until the output of a job is returned to the user c. The average number of jobs awaiting execution d. The percentage of time the entire computer center is idle. e. The average number of idle computers
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Answer rating: 100% (QA)
To solve the given problem we can use queuing theory and apply the principles of the MM1 queue model In this model we assume a single server computer and an infinite queue for incoming jobs Lets calcu... View the full answer
Related Book For
Accounting Information Systems
ISBN: 9780132871938
11th Edition
Authors: George H. Bodnar, William S. Hopwood
Posted Date:
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