Modern casino one armed bandits are controlled by computer chips and software, and the winning %s are preprogrammed into the gaming software.
Casino one armed bandits have Random # Generators that are continuously generating combinations, even when the slot machine game is not currently being played.
Running side by side with the RNG of the casino slot machine game is the pay out rate %.
The pay out percentage controls just how much the one-armed bandit will pay, for eg the pay per cent might be ninety per cent, which means the slot machine game will payout ninety per cent of all the wagers played, and the casino will then get to keep 10 per cent.
This is not to say that every time you bet ten credits you will receive nine in return – where is the fun … exhilaration in that? Instead, the casino slot machine just won’t pay out for a bit, and then suddenly start up a hot streak and you might draw the big jackpot prize.
The payoff %s will tend to vary between the a variety of games and a handful of the extremely famous casinos, for e.g Golden Online Casino, which gives a payout rate of up to 95 %!
Hence, in essence, the slot machine game takes all the funds played into it and pays it out to a number of lucky winners. The casino only gets to keep a considerably low percent of all the stakes made.
The casino slot machine software controls every part of the machine, from the blinking lights to the rotating of the reels.
When you hit spin on the one-armed bandit, a combination is put together by the RNG which associates with the pictures on the reel.