SYS/BIOS multi-tasking system uses more advanced scheduling technology for task scheduling. The number and status of tasks can be dynamically changed during program execution. The priority of tasks can be dynamically changed. The multi-tasking kernel mechanism is used to manage task scheduling. . The difference between tasks and software interrupts, the life cycle of tasks, tasks are ready to run when they are created, tasks can be intercepted, tasks can be suspended, tasks will automatically end, tasks can be deleted before finishing running,
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