Operating systems, The figure below shows a tunnel going

Operating systems

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Reference no: EM13760274

Operating Systems

The figure below shows a tunnel going through a mountain and two streets parallel to each other-one at each end of the tunnel. Traffic lights are located at each end of the tunnel to control the cross flow of traffic through each inter¬section. Based on this figure, answer the following questions:

a. How can deadlock occur, and under what circumstances?
b. How can deadlock be detected?
c. Give a solution to prevent deadlock and starvation.

Consider the directed graph shown below and answer the following questions:

a. Is this system deadlocked?
b. Which, if any, processes are blocked?
c. What is the resulting graph aftcr reduction?

For the systems described in Questions 13 through 16 below, given that all of the devices are of the same type, and using the definitions presented in the discussion of the Banker's Algorithm, answer these questions: (only answer question 13)

a. Calculate the number of available devices.
b. Determine the remaining needs for each job in each system.
c. Determine whether each system is safe or unsafe.
d. If the system is in a safe state, list the sequence of requests and releases that will make it possible for all processes to run to completion.
e. If the system is in an unsafe state, show how it's possible for deadlock to occur.

This system has 16 devices.

4. Compare the processors' access to printers and other I/O devices for the master/slave and symmetric multiprocessing configurations. Give real life example where the master/slave configuration might be preferred

Explain the similarities and differences between the critical region and working set

Reference no: EM13760274

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