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1. Explain Dining-Philosophers Problem and how to solve the deadlock (please give
2. What is OpenMP?
3. Explain Semaphores
4. Define: CPU vs. IO bound, Throughput, Turnaround time, Waiting time, Response Time, FCFS scheduling, SJF Scheduling, Priority Scheduling (include starvation), Round Robin Scheduling
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- 1. Apply the following CPU scheduling algorithms and be able to compare the output based on the following parameters identified below: CPU Scheduling algorithms: 1 First-Come First-Serve Scheduling, FCFS. 2 Shortest-Job-First Scheduling, SJF. 3 Priority Scheduling. Jobs Arrival time Burst time Priority J1 0 5 1 J2 1 3 2 J3 2 2 3 J4 3 6 4 J5 4 4 5 Use this parameters with each CPU scheduling: CPU utilization Throughput Turn-around time of each job Turn-around time Average Waiting time of each job Waiting time Average Response time Answer and explain the following questions: What scheduling system is the best performer? Define your parameters or attributes or basis in selecting the best performer CPU Scheduling system. What scheduling system needs enhancement/improvement. Explain the needed improvements based on your parameters/attributes/basis. What additional parameters or attributes will be added to improve…Fill in blank Suppose that there is only one CPU and we have three processes P1, P2, P3 arrived for execution at time 0, 1, 2 respectively. Their burst time are 8, 5, 2 respectively. None of these processes will perform I/O operations. Consider non-preemptive scheduling. With the FCFS scheduling algorithm, the average turnaround time of these processes will be----- and the average response time will be ------ With the SJF scheduling algorithm, the average turnaround time of these processes will be ----- and the average response time will be -----Please elaborate on the idea of parallel processing, which is also known as multiprocessing. Performing operations simultaneously. The Option Blue line of supercomputers from IBM can do three trillion computations per second. For this purpose, around a thousand computers are networked together. Is there a certain kind of software that is best suited to run in parallel? How has parallel processing changed the way we think about the structure of computers? To what extent can the average computer user benefit from parallel processing in the present day?
- Assume that the following processes are the only processes in a computer system and that there are no input/output requests from all the given processes. Given the following arrival time and CPU burst time (also called service time) for each process, answer the following questions. Draw the Gantt chart and compute the average waiting time for the following CPU scheduling algorithms of picture First Come First Service (FCFS)? Preemptive Shortest Job first? Round-Robin with time quantum of 4 (Assume that new processes will be inserted at the end of the ready list ?Q 1 Computer Science Theory and Fundamentals of Operating Systems: Reference String: 7,6,8,2,6,3,6,4,2,3,6,3,2,8,2,6,8,7,6,8 How many page faults will occur if the program has three page-frames available to it and use Optimal replacement?COM. What happens to CPU utilization when an Amazon EC2 Auto Scaling group cannot continue scaling up? A.Decreases B.Increases C.Stabilizes D.Terminates
- true/false Consider a group of CPU-time sharing processes P1 , P2, ... Pn with CPU burst times of 1,2,...,n units respectively arrive at the same time. The average waiting time of these processes is always less than n2/6 (regardless of scheduling algorithm)Discuss the First-Come, First-Served (FCFS) disk scheduling algorithm. Please explain this algorithm using your own words in such a way that everyone with some understanding of computers and computer programming will understand it.Then provide an example of application of your algorithm for a disk queue with 8 requests (e.g.: 98, 18, 370, 122, 14, 12, 6, 67). Choose your own disk queue with 8 requests. Compute the total head movement for your example. Describe the computation process in detail, don't just list the final result.Comparison of several multithreading methods for uniprocessor and multiprocessor systems in different operating systems (Linux/Windows/Mac/Android, etc.) Should I compare CPU Scheduling Algorithms?
- How about comparing and contrasting various multithreading approaches in various operating systems (Linux, Mac OS X, Android, etc.) for both the uniprocessor system and the multiprocessor system? Write a comparative analysis (article) on the CPU Scheduling Algorithm. What is your topic?Fill in blank Suppose that there is only one CPU and we have five processes P1, P2, P3, P4, P5 all arrived at time 0. Their burst time are 10, 1, 2, 1, 5 respectively, and their priority values are 2, 4, 3, 5, 1 respectively. None of these processes will perform I/O operations. Note that lower the priority value, higher the priority. According to priority scheduling algorithm, at time 8, it will be process ---------- that is running.B : Give reasons for resource scheduling C : What does extinction mean? Why is it calculated Please answer both.. In Short