Modern casino Slots are controlled by computer software, and the win percentages are preprogrammed into the game software.
Casino slot games have Random Number Generators that are eternally generating combos, even when the slot machine game is not being played.
Running concurrently with the random # generator of the casino slot machine is the pay out percentage.
The pay out per cent controls how much the one-armed bandit will pay out, for example the payout percentage might be ninety percent, which means the slot machine will pay 90% of all the stakes played, and the casino simply gets to keep ten percent.
This does not mean that for every time you bet 10 credits you will receive nine in return – where’s the fun and thrill in that? Instead, the casino slot machine game will not payout for a little while, and then suddenly start up a hot streak and you might catch the big jackpot.
The profit percentages shall vary between the assorted games and a couple of the extremely popular casinos, for example Golden Online Casino, which gives a payment of up to 95 percentage!
So, in essence, the slot machine takes all the money played into it and pays it out to several privileged winners. The casino only gets to keep a considerably low percent of all the wagers allocated.
The casino slot software controls every single part of the machine, from the flashing lights to the revolving of the reels.
When you hit spin on the one-armed bandit, a combination is generated by the RNG which relates to the pictures on the reel.