Modern casino slot machine games are controlled by computer chips and software, and the win %s are preprogrammed into the game software.
Casino one armed bandits have Random Number Generators which are endlessly generating combos, even when the game is not currently being played.
Running side by side with the Random Number Generator of the casino slot machine game is the payout %.
The payout % controls just how much the slot machine will payout, for eg the pay per cent might be ninety percent, which means the one arm bandit will pay out ninety percent of all the stakes played, … the casino simply gets to keep 10 per cent.
This doesn’t mean that each and every time you bet 10 credits you will receive 9 in return – where is the fun and exhilaration in that? Instead, the casino slot won’t pay out for a little while, and then suddenly hit a hot streak and you might catch the big top prize.
The payoff percentages shall vary between the alternate games and a few of the extremely popular casinos, e.g. Golden Online Casino, which hands out a pay out of up to ninety five percent!
So, in essence, the slot machine takes all the dough played into it and pays it out to a number of chosen winners. The casino only gets to keep a fairly indistinct percent of all the stakes put out.
The casino slot software controls any part of the machine, from the flashing lights to the spinning of the reels.
When you hit spin on the slot machine, a combination is produced by the RNG which associates with the pictures on the reel.