The NMI Interrupt ?

[Perica]

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[Slasher]

NMIs are interrupts that is not attended to in time will cause the system to stop working properly or crash. Another way to think of them are like interrupts that can't be ignored.

[Perica]

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[Slasher]

A function call or end of a progrm/process, a software interupt call. The processor will contiune working on what its doing until it is instructed to do something else either by a branch instruction,interrupt,exception, function call.
(correct me if wrong please anyone, but this is how i see it)