Modern casino one armed bandits are controlled by computer chips and software, and the winning percentages are preprogrammed into the gaming software.
Casino slot machines have RNGs which are constantly generating combinations, even when the game is not currently being played.
Running in unison with the RNG of the casino one-armed bandit is the pay out percent.
The pay out percentage controls how much the slot machine game will pay out, for e.g. the pay out percent may be 90%, which means the one arm bandit will payout ninety per cent of all the bets played, and the casino simply gets to keep ten percent.
This really does not mean that every time you bet ten credits you will receive 9 in return – where is the fun and fascination in that? Instead, the casino slot machine will not payout for a while, and then suddenly fire up a hot streak and you might hit a big top prize.
The payout percentages will very likely vary between the various games and a handful of the extremely common casinos, for instance Golden Online Casino, which hands out a pay out of up to ninety-five per cent!
So, in essence, the one-armed bandit takes all the $$$$$ played into it and pays it out to several privileged winners. The casino only gets to keep a averagely indistinct percent of all the plays made.
The casino one armed bandit software controls each part of the machine, from the flickering lights to the circulating of the reels.
When you hit spin on the slot machine game, a combination is developed by the RNG which connects with the pictures on the reel.