What are the two kinds of circular scheduling methods for multi-task system of CNC system?

There are two scheduling methods: time slice rotation scheduling method and priority scheduling method.

1. Time slice rotation scheduling method: the total running time of the system is divided into equal time slices, and the scheduler assigns the time slices to the processes according to the order in which the process requests arrive. When processes run out of their own time slices, they will be moved to the end of the ready queue and wait for the next time to allocate time slices.

2. Priority scheduling method: divide the ready processes in the system into different priorities according to their priorities, and the process with high priority will get the right to use the processor first.