Modern casino one armed bandits are controlled by computer software, and the win %s are preprogrammed into the computer software.
Casino slot machines have Random Number Generators that are ceaselessly generating combos, even when the slot machine game is not currently being played.
Running in unison with the Random Number Generator of the casino slot machine game is the payout rate percent.
The payout percentage controls how much the slot machine game will pay, for example the payout percent could be ninety percent, meaning the slot game will payout ninety per cent of all the bets played, … the casino gets to keep ten per cent.
This does not mean that each and every time you bet ten credits you will receive nine in return – where is the fun … exhilaration in that? Instead, the casino slot machine game will not pay out for a bit, and then suddenly start up a hot streak and you might catch the big jackpot.
The pay off percentages most likely will vary between the differing games and several of the highly acclaimed casinos, for example Golden Online Casino, which tenders a payout of up to 95 percent!
Hence, in essence, the slot machine takes all the money played into it and pays it out to a couple of chosen winners. The casino only gets to keep a generally minute per cent of all the bets allocated.
The casino one armed bandit software controls every single part of the machine, from the flashing lights to the rotating of the reels.
When you hit spin on the slot machine game, a combination is set up by the RNG which corresponds to the pictures on the reel.