Modern casino slot machines are controlled by computer chips and software, and the winner percentages are pre-programmed into the computer software.
Casino Slots have Random Number Generators that are eternally generating combos, even when the slot machine game is not currently being played.
Running concurrently with the Random Number Generator of the casino one-armed bandit is the pay out rate per cent.
The payout percentage controls just how much the one-armed bandit will payout, for eg the pay percentage could be ninety percent, which means the slot machine game will payout ninety per cent of all the stakes played, … the casino simply gets to keep 10%.
This does not imply that every time you bet ten credits you will receive 9 in return – where is the fun … excitement in that? Instead, the casino slot machine just will not payout for a while, and then suddenly jump on a hot streak and you might draw the big jackpot prize.
The payout percentages will most likely vary between the various games and a few of the highly popular casinos, e.g. Golden Online Casino, which offers a payout of up to ninety-five %!
Hence, in essence, the slot machine game takes all the funds played into it and pays it out to a number of privileged winners. The casino only gets to keep a averagely minute per cent of all the odds put out.
The casino one armed bandit software controls each part of the machine, from the flashing lights to the rolling of the reels.
When you hit spin on the slot machine game, a combination is put together by the RNG which corresponds to the pictures on the reel.