Modern casino slot machines are controlled by computer chips and software, and the win percentages are pre-programmed into the gaming software.
Casino Slots have RNGs which are endlessly generating combinations, even when the slot machine game is not being played.
Running side by side with the Random Number Generator of the casino slot machine is the pay out rate percentage.
The payout percentage controls just how much the slot machine game will pay, for e.g. the payout % could be ninety per cent, which means the one arm bandit will payout ninety per cent of all the bets played, … the casino only gets to keep 10 per cent.
This doesn’t mean that each time you bet ten credits you will receive 9 in return – where’s the fun and excitement in that? Instead, the casino slot just won’t pay out for a while, and then suddenly start up a hot streak and you might hit a big jackpot.
The payout percentages usually will vary between the various games and a couple of the most established casinos, such as Golden Online Casino, which offers a payment of up to ninety-five per cent!
Thus, in essence, the slot machine takes all the cash played into it and pays it out to a couple of chosen winners. The casino only gets to keep a basically tiny percent of all the plays put out.
The casino one armed bandit software controls any part of the machine, from the blinking lights to the circulating of the reels.
When you hit spin on the slot machine game, a combination is formed by the RNG which associates with the pictures on the reel.