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A software house is in a deep financial crisis. There is however the possibility to gain a project and take out of depression the company. The software house has been contacted by a Governmental Nuclear Reactor Agency that wants to change the current Operating System of their plant. Last time they had a problem with the scheduling because a process starved for 3 days and did not report anything on an important indicator.
Explain a complication that concurrent processing adds to an operating system.
Assume that 80 percent of the accesses are in the associative memory and that, of the remaining, 10 percent (or 2 percent of the total) cause page faults.What is the effective memory access time?
Formulate the linear programming model for this problem Plot a graph indicating and labelling clearly all the constraints, the feasible region (R) and the optimal point (X)
What (if any) relation holds between the following pairs of sets of algorithms (a) Priority and SJF (b) Multilevel feedback queues and FCFS
What is the main advantage of multiprogramming How does the distinction between the monitor mode and user mode function as a rudimentary form of protection (security) system What is the difference between a trap and an interrupt? What is the u..
Suppose an operating system maps user-level threads to the kernel using the many-to-many model and the mapping is done through LWPs.
i. Deadlock avoidance ii. Deadlock prevention and iii. Deadlock detection
Simulate the long-term scheduler, the short-term scheduler and the I/O scheduler of the computer using the First-Come-First-Serve algorithm.
The premise of Project 2 is to create your own shell. Your shell will be launchable from a terminal window and act similar to the existing shell.
The purpose of this program is to change such that it makes use of the IPC facilities provided by UNIX.
Describe three solutions to critical section problem Explain the different methods used to handle deadlocks Distinguish between "No preemption" and "circular wait" in deadlocks prevention
Formulate the above in terms of a Linear Programming problem Solve this linear program graphically. Determine the quantity of each type of toaster that will maximise the maximum profit
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