Criteria is an Arrival time and it is non-preemptive.
It is a non-preemptive algorithm and it's select the waiting process with the smallest execution time to execute next.
Criteria is Burst time and It is a non-preemptive scheduling algorithm.
It is the preemptive version of Shortest Job Next algorithm, where the processor is allocated to the job closest to completion.
In this algo, The One with the highest priority among all the available processes will be given the CPU next.
This algo is similar to FCFS scheduling, but in Round RR scheduling, preemption is added which enables the system to switch between processes.