Modern casino one armed bandits are controlled by computer software, and the winning percentages are preprogrammed into the game software.
Casino slot machine games have Random Number Generators which are ceaselessly generating combos, even when the slot machine is not active.
Running in unison with the random # generator of the casino slot machine is the pay out rate percent.
The pay out per cent controls how much the slot machine will pay out, for eg the pay out percent might be 90%, meaning the slot game will payout 90% of all the wagers played, … the casino simply gets to keep 10%.
This does not imply that each and every time you bet ten credits you will receive nine in return – where is the fun … excitement in that? Instead, the casino slot machine won’t pay out for a bit, and then suddenly jump on a hot streak and you might draw the big jackpot prize.
The pay off percentages will most likely vary between the differing games and some of the highly popular casinos, e.g. Golden Online Casino, which hands out a payment of up to ninety-five percentage!
Hence, in essence, the slot machine game takes all the dough played into it and pays it out to some lucky winners. The casino only gets to keep a considerably tiny per cent of all the odds allotted.
The casino one armed bandit software controls every single part of the machine, from the blinking lights to the rolling 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.