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OPERATING SYSTEMS
Fcfs CPU Scheduling Algorithm For FCFS scheduling algorithm, read the number of processes/jobs in the system, their CPU burst times. The scheduling is performed on the basis of arrival time of the processes irrespective of their other parameters. Each process will be executed according to its arrival time. Calculate the waiting time and turnaround time of each of the processes accordingly.
Sjf CPU Scheduling Algorithm For SJF scheduling algorithm, read the number of processes/jobs in the system, their CPU burst times. Arrange all the jobs in order with respect to their burst times. There may be two jobs in queue with the same execution time, and then FCFS approach is to be performed. Each process will be executed according to the length of its burst time. Then calculate the waiting time and turnaround time of each of the processes accordingly.
Round robin CPU Scheduling Algorithm For round robin scheduling algorithm, read the number of processes/jobs in the system, their CPU burst times, and the size of the time slice. Time slices are assigned to each process in equal portions and in circular order, handling all processes execution. This allows every process to get an equal chance. Calculate the waiting time and turnaround time of each of the processes accordingly.
Dr Jeyasudha S, Mr S.gokul Pran, Mr S.Gokul Pran
Dr. S.Jeyasudha received the B.E degree in Electronics & Communication Engineering from Madurai Kamaraj University in 1995 and the M.Tech Degree in Power Electronics & Drives from SASTRA Deemed University in 2006.She has industrial experience as well as Teaching experience as an Associate professor in the Engineering College. She is currently a research scholar in Pondicherry Engineering College, Puducherry. Her research interests including power converters, control engineering and embedded system.
Mr. S. GokulPran(SegaranGokulPran), received B.Tech degree in Information Technology from Valliammai Engineering College, Chennai affiliated to Madras University, Chennai in 2004. He received M.E degree in Computer Science Engineering from RVS College of Engineering & Technology, Dindigul affiliated to Anna University Tiruchirappalli in 2010. He is currently working as an Assistant Professor in the Department of Computer Science Engineering, SreeVidyanikethan Engineering College Tirupati, Andra Pradesh, India. He is also pursuing his Ph. D degree at Anna University, Chennai. His research interests include Cloud Computing, Networking and Data Mining.
