The simulator will consists of following classes:(i) Process: The data members of this class should store process id, arrival time in the ready queue,CPU burst time, completion time, turn around time, waiting time, and response time. The memberfunctions of this class should assign values to the data members and print them. A constructorshould also be used.(ii) Process Creator: This class will create an array of processes and assign a random arrival timeand burst time to each process. Data members, constructor and member functions can be writtenaccordingly.(iii) Scheduler: This class will implement the scheduling algorithm. The class will maintain a readyqueue of infinite capacity (i.e., any number of processes can be accommodated in the queue). Theready queue should be implemented using the min-Heap data structure where the highest priorityprocess will be the root. The priority of the process will depend on the scheduling algorithm.The ready queue (i.e., min-heap) should be implemented as a class where different heap operationsshould be its member functions. Students have to implement three scheduling algorithms, viz., FirstCome First Serve (FCFS), Round Robin and Completely Fair Scheduler (CFS). While running theprogram, the user should be asked the choice of scheduling algorithm. The CFS scheduling will beimplemented using Red Black Tree. So, in case of CFS, ready queue will be implemented using RedBlack Tree. To understand the CFS Scheduling following youtube lecture can be followed.https://www.youtube.com/watch?v=scfDO0f9pwwHowever, other internet sources can also be checked.(iv) Simulator: This class will start the simulation. If the simulation time is 1 second and arrivaltime and burst time of a process are in terms of milliseconds then the class will run a 'for' loop from t=0 to 1000. At each iteration, the class will execute all the necessary functions and capture therequired values. The class will also print the output in the following ways:(a) A file named as processes.txt will be created which will contain a table as follows. The filehandling coding can be done using C programming.Process Id Arrival Time Burst TimeMillisecond Number1125558Here, the number of rows will depend on the number of processes.(b) A file named as status.txt which will print a table. For each millisecond, the file will show theprocess id of the processes arrived in the system, running by the processor and exiting from thesystem. The number of rows in the table will depend on the number of times the 'for' loop isrunning, i.e., the number of milliseconds in the simulation time. However, if in a particularmillisecond, no process arrived or exited and the process being run by the processor is the same asthat of previous millisecond then the current millisecond can be skipped from printing in the table.For example,CompletionTimeProcess Id11212332Turn Around WaitingTimeTimeStatusArrivedRunningArrivedExitResponseTimeRunningArrivedExitThe main() function should take the following input from the user: (i) Simulation time (ii) Name ofscheduling algorithm (iii) Time quantum in case of Round Robin.

The simulator will consists of following classes: (i) Process: The data members of this class should store process id, arrival time in the ready queue, CPU burst time, completion time, turn around time, waiting time, and response time. The member functions of this class should assign values to the data members and print them. A constructor should also be used. (ii) Process Creator: This class will create an array of processes and assign a random arrival time and burst time to each process. Data members, constructor and member functions can be written accordingly. (iii) Scheduler: This class will implement the scheduling algorithm. The class will maintain a ready queue of infinite capacity (i.e., any number of processes can be accommodated in the queue). The ready queue should be implemented using the min-Heap data structure where the highest priority process will be the root. The priority of the process will depend on the scheduling algorithm.

The simulator will consists of following classes: (i) Process: The data members of this class should store process id, arrival time in the ready queue, CPU burst time, completion time, turn around time, waiting time, and response time. The member functions of this class should assign values to the data members and print them. A constructor should also be used. (ii) Process Creator: This class will create an array of processes and assign a random arrival time and burst time to each process. Data members, constructor and member functions can be written accordingly. (iii) Scheduler: This class will implement the scheduling algorithm. The class will maintain a ready queue of infinite capacity (i.e., any number of processes can be accommodated in the queue). The ready queue should be implemented using the min-Heap data structure where the highest priority process will be the root. The priority of the process will depend on the scheduling algorithm.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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