Modern casino Slots are controlled by computer chips and software, and the win percentages are preprogrammed into the software.
Casino slot machines have Random Number Generators which are eternally generating combos, even when the machine is not active.
Running collectively with the RNG of the casino slot machine game is the pay out %.
The payout % controls just how much the one-armed bandit will pay, for example the pay percentage could be ninety percent, meaning the one arm bandit will payout ninety percent of all the stakes played, and the casino gets to keep ten percent.
This does not mean that each and every time you bet ten credits you will receive 9 in return – where’s the fun and fascination in that? Instead, the casino slot just won’t payout for a while, and then suddenly start up a hot streak and you might hit a big jackpot.
The pay off %s most likely will vary between the different games and some of the highly acclaimed casinos, e.g. Golden Online Casino, which offers a pay out rate of up to 95 per cent!
This means that, in essence, the slot machine game takes all the $$$$$ played into it and pays it out to a couple of lucky winners. The casino only gets to keep a generally low percentage of all the gambles made.
The casino one armed bandit software controls each part of the machine, from the blinking 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 connects with the pictures on the reel.