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Suppose two hosts A and B are connected via a router R. The A-R link has infinite bandwidth; the A-R link has infinite bandwidth; the R-B link can send one packet per second. R's queue is infinite. Load is to be measured as the number of packets per second sent from A to R. Sketch the curves for throughput, delay, and power, each as a function of load.
What is Life Cycle Costing. Describe briefly the methodology for Life Cycle Costing. What are the criteria to consider when a procurement officer is faced with the decision of procuring a used equipment instead of a new one.
What is minimum number of page faults for the optimal page replacement strategy? Please show how the page is placed and how page faults occur.
Consider a dynamic RAM that must be given a refresh cycle 64 times per ms. What percentage of the memory's total operating time must be given to refreshes?
Implement the parser in a separate file. Implement the main parser function in a separate file main.c
Given that main memory is consisted of three page frames for public use and that seven-page program (with pages a, b, c, d, e, f, g) requests pages in the following order: a, b, a, c, d, a, e, f, g, c, b, g.
Discuss and provide examples of the following concurrency issues associated with an OS: 1. Mutual exclusion 2. Deadlock 3. Starvation
What are some ways you could integrate Linux servers into a Windows network to share information? What would be the advantages and disadvantages?
Intermediate Level Tasks : Below is a simple program. It creates 2 threads. The first thread keeps printing out X on the screen, and the second thread keeps printing out O on the screen.
Forking the child process
The software house has been contacted by a Governmental Nuclear Reactor Agency that wants to change the current Operating System of their plant.
Deadlock Avoidance and Scheduling
Write two challenges an OS faces when passing parameters between user and kernel mode. Describe how an OS can overcome them
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