Modern casino one armed bandits are controlled by computer chips and software, and the winning percentages are pre-programmed into the computer software.
Casino slot machines have RNGs which are ceaselessly generating combinations, even when the game is not active.
Running concurrently with the random # generator of the casino slot machine game is the payout rate percent.
The pay out per cent controls just how much the slot machine will payout, for eg the payout percent might be ninety percent, which means the slot machine will pay out 90% of all the stakes played, and the casino gets to keep ten percent.
This doesn’t mean that every time you bet 10 credits you will receive 9 in return – where’s the fun … exhilaration in that? Instead, the casino slot machine game won’t payout for a bit, and then suddenly hit a hot streak and you might catch the big jackpot.
The pay off percentages most likely will vary between the assorted games and a couple of the notably established casinos, for e.g Golden Online Casino, which tenders a pay out rate of up to ninety-five percentage!
As a result, in essence, the slot machine game takes all the money played into it and pays it out to a number of privileged winners. The casino only gets to keep a averagely indistinct percent of all the plays allotted.
The casino slot machine software controls every part of the machine, from the flashing lights to the rolling of the reels.
When you hit spin on the one-armed bandit, a combination is generated by the RNG which corresponds to the pictures on the reel.