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What is Process Scheduling in CPU synchronization?
CPU scheduling is a process that allows one process to use the CPU while the execution of another process is on hold(in waiting state) due to unavailability of any resource like I/O etc, thereby making full use of CPU. The aim of CPU scheduling is to make the system efficient, fast, and fair.
What do you mean by Process Scheduling?
The process scheduling is the activity of the process manager that handles the removal of the running process from the CPU and the selection of another process on the basis of a particular strategy. Process scheduling is an essential part of a Multiprogramming operating systems.
What are the various process states in CPU scheduling?
The different Process States READY – The process is waiting to be assigned to a processor. RUNNING – Instructions are being executed. WAITING – The process is waiting for some event to occur(such as an I/O completion or reception of a signal). TERMINATED – The process has finished execution.
What are the goals of CPU scheduling?
The goals of CPU scheduling are: • Fairness: Each process gets fair share of the CPU. • Efficiency: When CPU is 100% busy then efficiency is increased. • Response Time: Minimize the response time for interactive user.
What are the scheduling criteria for CPU scheduling?
The scheduling criteria helps to compare and choose the CPU scheduling algorithm which works best for us. We are going to learn about the 5 important criteria: CPU utilization, Throughput, Turnaround time, Waiting time and Response time . To minimize the idle time of CPU, CPU can be utilized all the time.
What is CPU scheduling in simple words?
Summary: CPU scheduling is a process of determining which process will own CPU for execution while another process is on hold. In Preemptive Scheduling, the tasks are mostly assigned with their priorities. In the Non-preemptive scheduling method, the CPU has been allocated to a specific process.
What is CPU scheduling algorithm?
A scheduling algorithm is the algorithm which dictates how much CPU time is allocated to Processes and Threads.