(Answered) Q1 device handler seek strategiesa on a hard disk the queue

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Q1 Device Handler Seek Strategies

a) On a hard disk, the queue of track requests is as follows: 20 35 1 27 2 11 18 60 23. Assume that the head starts at track 20. Draw a diagram for arm movement and explain the diagram for each of the following seek strategies

b) Describe in your own words how secondary storage differs from primary storage and give an example of each.

A) What is a race condition?

B) Consider a system with four dedicated resource and four processes (process P1, P2, P3 and P4) that require a maximum of two devices to complete the task. Draw a directed graph of a scenario that demonstrates there is a deadlock in the system. Explain your graph with details.

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