Modern casino Slots are controlled by computer chips and software, and the win percentages are preprogrammed into the gaming software.
Casino slot machines have RNGs which are endlessly generating combinations, even when the slot machine is not being played.
Running concurrently with the random # generator of the casino one-armed bandit is the pay out percent.
The payout percentage controls how much the one-armed bandit will pay out, for e.g. the payout per cent could be ninety percent, which means the slot machine will payout 90% of all the stakes played, and the casino only gets to keep 10 percent.
This is not to say that each and every time you bet 10 credits you will receive nine in return – where is the fun … thrill in that? Instead, the casino one arm bandit will not pay out for a while, and then suddenly go on a hot streak and you might draw the big jackpot.
The profit %s shall vary between the assorted games and a handful of the very famous casinos, for example Golden Online Casino, which tenders a payout rate of up to ninety five percent!
Thus, in essence, the slot machine game takes all the currency played into it and pays it out to some privileged winners. The casino only gets to keep a averagely petite percent of all the plays allocated.
The casino slot machine software controls each part of the machine, from the flickering lights to the spinning of the reels.
When you hit spin on the slot machine, a combination is set up by the RNG which is linked to the pictures on the reel.