In a Computer System, there are 4 processes namely Chrome, Teams, Zoom and Skype that arrived atthe same time.Processes are executed based on priority : Zoom has highest priority, then Skype, after that Chromeand finally the Teams.ProcessChromeTeamsBurst time2533Zoom52Skype76Consider this scenario in terms of Process Scheduling Algorithm and answer the following.a) Draw a Gantt chart in a paper for the above scenario capture an image, upload it in Moodlec) Find the Average Turnaround Time.d) Find the Average Waiting Time.

In a Computer System, there are 4 processes namely Chrome, Teams, Zoom and Skype that arrived at the same time. Processes are executed based on priority : Zoom has highest priority, then Skype, after that Chrome and finally the Teams. Burst time 25 Process Chrome Teams 33 Zoom Skype 52 76 Consider this scenario in terms of Process Scheduling Algorithm and answer the following. a) Draw a Gantt chart in a paper for the above scenario capture an image, upload it in Moodle c) Find the Average Turnaround Time. d) Find the Average Waiting Time.

In a Computer System, there are 4 processes namely Chrome, Teams, Zoom and Skype that arrived at the same time. Processes are executed based on priority : Zoom has highest priority, then Skype, after that Chrome and finally the Teams. Burst time 25 Process Chrome Teams 33 Zoom Skype 52 76 Consider this scenario in terms of Process Scheduling Algorithm and answer the following. a) Draw a Gantt chart in a paper for the above scenario capture an image, upload it in Moodle c) Find the Average Turnaround Time. d) Find the Average Waiting Time.

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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Please do not give solution in image formate thanku Suppose that the following processes arrive for execution at the times indicated. Eachprocess will run for the amount of time listed. In answering the questions, use non-preemptive scheduling, and base all decisions on the information you have at the time thedecision must be made.Process Arrival time Burst TimeP1 0.0 10P2 0.5 5P3 1.0 2a) What is the average turnaround time for these processes with the FCFS schedulingalgorithm?b) What is the average turnaround time for these processes with the SJF schedulingalgorithm?c) The SJF algorithm is supposed to improve performance, but notice that we chose torun process P1 at time 0 because we did not know that two shorter processes wouldarrive soon. Compute what the average turnaround time will be if the CPU is left idlefor the first 1 unit and then SJF scheduling is used. Remember that processes P1 andP2 are waiting during this idle time, so their waiting time may increase. This…
The Nevercrash Operating System Company has been receiving complaints from some of its customers about its latest release, which includes semaphore operations. They feel it is immoral for processes to block (they call it "sleeping on the job"). Since it is company policy to give the customers what they want, it has been proposed to add a third operation, peek, to supplement up and down. peek simply examines the semaphore without changing it or blocking the process. In this way, programs that feel it is immoral to block can first inspect the semaphore to see if it is safe to do a down. Will this idea work if three or more processes use the semaphore? If two processes use the semaphore?
The WIMP layout is used in computer displays. Most WIMP implementations adhere to the Desktop metaphor, which links common actions to their physical counterparts. A file may be relocated by selecting it and dragging it to a new location, such as a folder or a filing cabinet. Provide two actions and their corresponding real-world instances.
:Consider the following sequence of page references 9,8 ,6 ,9 ,5 ,9 ,7,8,6.7.6 .5 .Assuming that all the frames are initially empty, indicate the contents of memory after each reference .Calculate the number of page faults a. FIFO Page replacement algorithm with 4 frames: 6 9 5 9 7 6 7 5 Reference String Frame 1 Frame 2 Frame 3 Frame 4 Page Faults Page faults: b. LRU Page replacement algorithm with 4 frames: Reference 9| 5 9 7 6 6 5 String Frame 1 Frame 2 Frame 3 Frame 4
The Nevercrash Operating System Company has been receiving complaints from some of its customers about its latest release, which includes semaphore operations. They feel it is immoral for processes to block (they call it "sleeping on the job"). Since it is company policy to give the customers what they want, it has been proposed to add a third operation, peek, to supplement up and down. peek simply examines the semaphore without changing it or blocking the process. In this way, programs that feel it is immoral to block can first inspect the semaphore to see if it is safe to do a down. Will this idea work if three or more processes use the semaphore? If two processes use the semaphore?
Rutger University offers classes which visitors to the university can attend only if they are registered for the classes. Registration for the classes requires paying a nominal fee to the bursar, and you need account. The verification of visitors' registration is required in order for a visitor to attend a class, and this verification is done by a system administrator who is also required to log into the system. The verification is done through logging into the Rutgers registration system. If a visitor tries to log in to the system without being registered, an error message will be displayed by the system. Only a System Administrator will be able to create an account for a user of the system. The system administrator is also responsible for resetting login credentials (username and password) To get credit for the course, a participant must take a final exam which is set by a professor and uploaded to the system. The final exam when submitted by the student is reviewed by the professor…
Write a C program to simulate producer-consumer problem using semaphores, with buffer size of 5 items. Use the following sequence of produce and consume: • Produce 3 times • consume 1 time produce 2 times consume 2 times • produce 3 times • Consume 6 times. Write a report and submit it through Moodle showing the working program with results snapshots.
Consider a scenario where a professor works from home on a shared family PC. The professor has several terabytes of raw video data, archived copies of class material from the past ten years, and current class data (such as gradebook, quizzes, and assignments). There are several backup solutions that include hardware, media, and backup software. What is a good system that would allow the professor to recover everything after a disaster. Consider factors such as cost, speed of restore, storage limits, etc.
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The time that is added to chains besides the critical chain is referred to as "safety time." A. feeding buffer (also known as feeding buffering). B. A placeholder is provided for in the project buffer C. The path buffer is a unique kind of buffer that stores the path to the file. D. the protective buffer
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PROGRAMMING Since fully interactive programs that accept input and display output do not use an ENVIRONMENT ASSIGNMENTS DIVISION or FILE SECTION of the DATA DIVISION, they are much easier to code. Interactive Programs 1. Consider the following: IDENTIFICATION DIVISION. PROGRAM- ID. TEMPERATURES. DATA DIVISION. WORKING-STORAGE SECTION. 01 FAHRENHEIT-TEMPERATURE PIC 99.9. CENTIGRADE-TEMPERATURE PIC 99. MORE - DATA PROCEDURE DIVISION. 100-MAIN, 01 01 PIC XXX VALUE 'YES'. PERFORM UNTIL MORE-DATA = 'NO DISPLAY 'ENTER A CENTIGRADE TEMPERATURE AS AN INTEGER' ACCEPT CENTIGRADE-TEMPERATURE COMPUTE FAHRENHEIT-TEMPERATURE = 1.8 * CENTIGRADE -TEMPERATURE + 32 DISPLAY 'FAHRENHEIT TEMPERATURE , FAHRENHEIT - TEMPERATURE DISPLAY 'IS THERE MORE INPUT (YES OR NO)?" ACCEPT MORE - DATA END- PERFORM STOP RUN. a. Indicate what the above program accomplishes, step by step. (Note that * in the COMPUTE statement means multiplication.) b. What is the purpose of the COMPUTE statement? C. Suppose the COMPUTE…