cooperative multitasking

IT Services Circle

Apr 30, 2025 · Fundamentals

Evolution of Process Scheduling: From FCFS to Preemptive Multitasking

The article traces the development of operating‑system process scheduling—from the naïve first‑come‑first‑served approach, through cooperative multitasking with a yield() system call, to timer‑driven preemptive round‑robin and priority schemes—highlighting each method’s strengths and shortcomings.