Modern casino slot machines are controlled by a computer, and the winner percentages are pre-programmed into the computer software.
Casino slot machines have RNGs that are eternally generating combinations, even when the slot machine is not currently being played.
Running in unison with the random # generator of the casino one-armed bandit is the payout percentage.
The payout percentage controls how much the one-armed bandit will payout, for eg the pay out percent might be 90%, meaning the slot machine game will payout ninety percent of all the stakes played, and the casino simply gets to keep 10 per cent.
This doesn’t mean that each time you bet ten credits you will receive nine in return – where’s the fun and exhilaration in that? Instead, the casino slot machine game will not pay out for a while, and then suddenly jump on a hot streak and you might draw the big grand prize.
The profit percentages will very likely vary between the alternate games and a couple of the very established casinos, for e.g Golden Online Casino, which puts forth a payout of up to ninety five percentage!
As a result, in essence, the one-armed bandit takes all the dough played into it and pays it out to some privileged winners. The casino only gets to keep a relatively minute percentage of all the odds allocated.
The casino slot software controls every part of the machine, from the flashing lights to the turning of the reels.
When you hit spin on the slot machine, a combination is produced by the RNG which corresponds to the pictures on the reel.