Why doesn't the miner stop immediately?

Question

If you press the "Off" button (or set the speed to zero), the miner will not stop immediately because it takes up to 30 seconds to free computer resources including memory and the CPU cores.

Accepted Answer

If you press the "Off" button (or set the speed to zero), the miner will not stop immediately because it takes up to 30 seconds to free computer resources including memory and the CPU cores.