Introduction - If you have any usage issues, please Google them yourself
Single-cpu system according to any one moment only to have a process in the implementation in a cpu in the state, when conducting the process of scheduling a certain principle should be to achieve the process of scheduling. cpu priority scheduling is based on good distribution system in advance of the priority level and programmers of the process itself to achieve the process of scheduling priority. High-priority process can interrupt low-priority process to enter the running status