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Explain win 3.1 supports which form of multi tasking

Explain win 3.1 supports which form of multi tasking?

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Win3.1 assists co-operative multi-tasking. When a process is specified the control for execution, the other tasks have to wait till the current has relinquished its execution.

But WinNT is preemptive multi-tasking. Any process can be stopped within the middle when another process requires CPU cycle. It is handled through the windows OS.

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