Priority Scheduling-preemptive
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- Write a c++ code Shortest Job First (SJF) is a scheduling algorithm where CPU executes the shortest process prior to the longer ones. Given are a number of functions and their required completion time in different arrays. You are required to use the priority queue created in Question No. 01 to implement Shortest Job First Scheduling algorithm. This algorithm will call the functions in ascending order of completion time. This question should be completed in form of a function. Read the source.cpp file provided. Design a proper main. In SJF function, en-queue the node with Fun1 address first then Fun2, Fun3 and so on.I need answer question pls Project Operations Write a JAVA program that will maintain a phone directory using a Linked-List. The program should be able to perform the following operations: 1) Add persons details (first name, last name, phone number, city, address, sex and email) to the phone directory, where phone numbers in the directory have to be unique. (Note: each person record will store in one node in the linked-list and insert each person to the last) 2) Delete any person details by a given phone number. 3) Update telephone number by providing person first name. 4) Display all details of persons from a phone directory. 5) Search telephone number based on person first name. (Note: use sequential search to find all telephones for the given first name) 6) Sort all persons in the phone directory ascending based on person first name. (Note: use bubble or selection sort to arrange the entire phone directory) Project Outputs The output has to display a menu of choices. Then the…Consider the following segment of code:procedure Mvar x: integer;procedure A (c: integer)var a, b: integer;procedure Bvar b, c, d: integer;begin {B}….a := c – d;….end B;begin {A}….x := b + c;….B()….end A;begin {M}….A(3)….end M;Assuming the definition of M is at static nesting level 0. Draw the runtime stack that will be ineffect at the execution of “a := c – d;”. Show the static and dynamic links, and the currentpositions of the EP and SP pointers.What is the static distance to x’s environment of definition and the offset within the environmentwhen “a := c – d;” is executed?
- Some applications require two types of accesses to the critical section-read access and write access. For these applications, it is reasonable for multiple read accesses to happen concurrently. However, a write access cannot happen concurrently with either a read access or a write access. Example: For a sequence [R1, R2, W1, R3] of requests, R1 and R2 should be able to access the critical section concurrently while W1 and R3 wait in the queue. Once R1 and R2 leave the critical section, W1 can enter the critical section while R3 waits in the queue. (a) Modify Lamport's algorithm for such applications. (b) Modify Ricart and Agrawala's algorithm for such applications.Project 2 Use Netbeans, to write a simple java program using the following data structures: 1. Stack by Linked List2. Circular Queue by Array The program should implement the following functions: 1. Insert2. Read/Print3. Remove an item4. Delete (the entire list) On the initial start of the program, users should be prompted for at least five elements into the list. After which they should be presented with options that will allow them to perform the functions defined above. Note that exception handling must be implemented. Screenshots of the cods as proof of its implementation should be included2.2.14 Sorted queues being combined. Create a static function that receives two queues of sorted items as inputs and returns a queue formed by combining the two queues into a single sorted order queue. 2.2.15 Bottom-up mergesort of a queue. Create an implementation of the bottom-up mergesort using the following strategy: Make N queues, each holding one of the N things, given N items. assemble the N queues into a queue. Apply Exercise 2.2.14's merging process to the first two queues several times, and at the conclusion, reinsert the combined queue.Continue until there is just one queue left in the queue of queues.
- 2.2.14 Combining sorted queues. Create a static function that accepts two sorted queues as parameters and returns a queue formed by merging the queues into sorted order. 2.2.15 Mergesort from the bottom of the queue. Create a bottom-up mergesort implementation using the following method: Create N queues, each containing one of the things, given N items. Make a queue out of the N queues. Then, repeat Exercise 2.2.14's merging process on the first two queues, and finally, reinsert the combined queue.Repeat until there is just one queue in the queue of queues.you are to design a printer queue that is responsible for handling the printing requests coming from different users. You have to take into consideration that users have different levels of priorities. Each user has an identification number and a password, in addition to printing 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 printing request received, the program should check the priorities of that request and whether it can be moved forward in the queue to be served by the printer prior to serving the other requests. Using the programming language of your choice (preferably C++), write the printer queue that would handle the user request. The program must allow for requests coming from different users or from one user. Note: I need a working C++ code for this problem, and i need priorities.An actual working program in C that transfers contents of a file into a linked list and then performs insertion, updation, deletion and search operation on the contents of the file through a linked list. The contents of the file should be treated as a string. And all operations performed on the linked list should reflect on the file. The format of the file is: 112.22.33.44 Baker 101.32.11.23 Parson and so on.. and each line in the file should be treated as a string.
- 1. In a linked stack the bottom of the stack is in the beginning of the list and the top of the stack is at the end of the list. 2. In the worst case a sequential search of an array with N elements is O(N). 3. In the best case, a sequential search of an array with 1,000 elements requires this many comparisons: ________________. 4. Java programmers can define their own exception classes. A. True B. False 5. If a recursive method does not have a base case: A. a syntax error is identified.B. an exception will be thrown. C. it will operate more efficiently.D. it will run forever.It is possible to demonstrate the return address of a function by using a series of instructions. Keep in mind that any modifications to the stack must not prohibit the process from returning control to the person who called it.For the following problems, you need to submit a python code that performs the required functions. Q1: (Stack & Queue) 1. Write a program that utilizes the LinkedStack class and LinkedQueue class to perform the following function. Input :empty stack and a Queue Required: reverse the order of the queue. // you must use the methods of the stack and queue class // Q2) Write a member functions to the class ( CircularQueue ) that performs the followings: 1. Sum-even(CQ) : Print the sum of all even numbers stored in CircularQueue. 2. Perform the followings: a. Create two circular linked lists ( CQ1, CQ2). b. Merge the two circular linked lists in one →CQ1. //Remember: you need to use the class ( CircularQueue ) methods.//
