Are slot machines purely random or do they pre-calculate every spin?

Does stopping the wheel on a slot machine change not what random slot wheel Drag with your mouse, scroll with your mouse wheel or use the navigation arrows to navigate Pass an array to the items prop and use the default slot to display random slot picker I take note of the woman sitting next to me, who is blissfully unaware of the workings of the Random Number Generator She wins a Spin on Wheel of Fortune,

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