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1. A single-lane pedestrian bridge connects the two villages of Village1 and Village2. People in the two villages use this bridge to go to other village. The bridge can become deadlocked if people both from Village1 and Village2 get on the bridge at the same time Once a person get on the bridge, he/she is unable to back up.
a. Using exactly one semaphore, design an algorithm that prevents deadlock. Do not be concerned about starvation and inefficiency.
b. Provide a solution using Monitor that is starvation-free.
c. What would be the value of semaphore before entering into Critical Section and after leaving it?
Define the term context switch. Explain how context switching takes place. (use a diagram, with two processes)
Assume that word 0 is part of a hole and that the highest word in memory contains valid tries are needed in the page table if traditional(one-level) paging is used? how many page table entries are needed for two-level paging, with 10 bits in ea..
Specify the order in which processes execute and determine the mean process turnaround time for each of the scheduling algorithms.
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.
Give three technical merits of UNIX b) Differentiate between "clustered systems" and "real-time systems". c) Describe the purpose of using "trust relationship"
Assume two hosts A and B are connected via router R. A-R link has infinite bandwidth; A-R link has infinite bandwidth; draw curves for throughput, delay, and power, each as function of load.
Every day at 2PM a client's computer at work reboots itself. You have made sure the power management settings in the BIOS and in the Windows Control Panel are not responsible.
i. Deadlock avoidance ii. Deadlock prevention and iii. Deadlock detection
Remembering that there's a trade-off between memory use. Then give an example where doing so will cause throughput to suffer.
Implement the parser in a separate file. Implement the main parser function in a separate file main.c
Show how to implement barriers using semaphores. Your solution should avoid busy-waiting. Be explicit about any initializations that you need to assume.
What are the three different categories of command, support your answer by giving three examples. Give three good reasons, with valid explanation, to justify why partitioning hard disk provides a variety of advantages. Explain the client/server..
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