Pre-emptive scheduling is based on timer interrupts, where a running thread may be interrupted by the
OS and switched to the ready state at will (usually if something more important comes through) or when
it has exceeded its timing allocation. Non-preemptive scheduling means once a thread is in the running
state, it continues until it completes, or at least gives up the CPU voluntarily. Threads that do this are
likely to monopolize the CPU.
Titany answered the question on April 26, 2022 at 13:36
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