Priority Scheduling-preemptive
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- Correct and unique answer please i will upvote. CPU Priority Scheduling-preemptive: Write a Java program to implement a priority scheduling algorithm that uses low number to represent high priority. Your program should first prompts the user to input a list of process ID, arrival time, burst time, and priority for each process to be run on the CPU. The list is terminated by 0 0 0 0 for the process ID, arrival time, burst time, and priority. The program output should draw a Gantt chart that shows the scheduling order of the processes using the Priority scheduling algorithm. Also print the turnaround time, response time, and waiting time for each process along with their average for all processes. Make sure that you have a friendly user interfaces and display very helpful messages.Shortest-Remaining-Time-First (Preemptive SJF): Write a Java program to implement a Shortest-Remaining-Time-First (Preemptive SJF) scheduling algorithm. Your program should first prompts the user to input a list of process ID, arrival time, and burst time (in ms) for each process to be run on the CPU. The list is terminated by 0 0 0 for the process ID, arrival time, and burst time. The program output should draw a Gantt chart (as text) that shows the scheduling order of the processes using the RR scheduling algorithm. Also print the turnaround, response, and waiting time for each process along with their average for all processes. Make sure to display very helpful messages to the user for input and output.SHORTEST JOB FIRST SCHEDULINGAIM:To write a program to implement cpu scheduling algorithm for shortest job firstscheduling.ALGORITHM:1. Start the program. Get the number of processes and their burst time.2. Initialize the waiting time for process 1 as 0.3. The processes are stored according to their burst time.4. The waiting time for the processes are calculated a follows:for(i=2;i<=n;i++).wt.p[i]=p[i=1]+bt.p[i-1].5. The waiting time of all the processes summed and then the average time is calculate6. The waiting time of each processes and average time are displayed.7. Stop the program.
- Language: c++ Please solve problem completely according to requirement, program should must be follow all the rules of menu base system which are required and write in question: Attach the output's screentshots and explain every line with comments: Whole code should be user defined inputs not fix: Task : Address Book (List)• Your program will be a menu driven program. Address book will be implemented using the ArrayList.Description: We want to build an address book that is capable of storing name, address & phone number of a person. Address book provides functionality in the form of a menu. The feature list includes:• Add – to add a new person record• Delete – to delete an existing person record by name• Search – to search a person record by name Sort - to sort the file after adding a new person record. · Exit – to exit from applicationScheduling Algorithms: Write a program in C to implement the following scheduling algorithms: 1. Round Robin scheduling algorithm with variable quantum (q). The user should enter the quantum (q), a number of processes, their arrival times and their burst times in seconds. 2. Pre-emptive Shortest Job First. The user should enter a number of processes, arrival times and burst times in seconds. The 2 options above should be displayed as menu options in a console or GUI. Data entry can be through console or graphical interfaces. Your program should find, select and display the order in which the processes are executed and the start and end of each execution cycle (you can add the length of the execution cycle) supported by a Gantt chart. The program should be able to tell the user which algorithm was more efficient than the other if you run it on the same input using the metrics below. At the end, for each option do the following calculations and display them: 1. the average waiting time…Operating Systems Project:Design a process queue that is responsible for handling the process requests coming from different users. You have to take into consideration that users have different levels of privileges and priorities. Each user has an identification number and a password, in addition to process priorities. One good idea is to design the queue using an array or pointers while preserving the first-in-first-out concept of the queue. For every process request received, the program should check the privileges of that request and whether it can be moved forward in the queue to be served by the operating system prior to serving the other requests. Using the programming language of your choice (preferably C++), write the process queue that would handle the user request. The program must allow for requests coming from different users or from one user.
- Each function has local memory associated with it to hold incoming parameters, local variables, and (in some cases) temporary variables. This region of memory is called a stack frame. Question 7 options: True FalseComputer Science using java The program has to evaluate arithmetic expressions using a BST for thatpurpose. The rules are the following:The program asks the user to enter an arithmetic expression in the infixformat. Then the program builds a BST for that expression. After buildingthe BST, a menu will be present to the user allowing him to: traverse the BST in inorder, traverse the BST in postorder, traverse the BST in preorder.Users will choose among the options present. The result will be thedisplay of the original arithmetic expression and the new one thatdepends on the option chosen. The program should repeat as long as theuser wants.Create a program in C that will run two different scheduling algorithms and compare the waiting time of each process and the average waiting time of the complete set of processes. The program will begin by getting the processes file as an inline parameter and will read the contents in an array. The program will then create a child process to run the FCFS scheduling algorithm and then another child to run the SJF algorithm. Each child will print the waiting time of each process when it finishes and the average waiting time when all processes are complete. Example: FCFS: P1 Waiting time: 0 FCFS: P2 Waiting time: 10 FCFS: P3 Waiting time: 25 SJF: P1 Waiting time: 10 SJF: P2 Waiting time: 0 SJF: P3 Waiting time: 25 FCFS: Average Waiting Time: 35/3 SJF: Average Waiting Time: 35/3
- It is possible to see the function's return address by issuing a set of instructions. It's important to remember that modifying the stack shouldn't prevent the process from returning to its caller.using c# 5.0 Create a program that allows the user to fill a vending machine and purchase items from it. The program should use a Stack to implement last-in-first-out (LIFO) behavior. The vending machine always vends the item that was most recently added to it. The user should be able to stock an item in the machine or buy an item from the machine. The program should inform the user if the machine is empty when they attempt a purchase. Sample Program Run After your program runs, the console should look similar to the following example. The exact output will vary depending on what the user inputs. Vending Machine Do you want to (A - Add Item, B - Buy Item, E - End): A Coke Do you want to (A - Add Item, B - Buy Item, E - End): A Coke Do you want to (A - Add Item, B - Buy Item, E - End): A Sprite Do you want to (A - Add Item, B - Buy Item, E - End): B You bought a Sprite Do you want to (A - Add Item, B - Buy Item, E - End): B You bought a Coke Do you want to (A - Add Item, B -…The return address of a function can be displayed via a series of commands. Keep in mind that any changes you make to the stack must not impede the return of the procedure to its caller