Modern casino slot machines are controlled by computer chips and software, and the win percentages are preprogrammed into the gaming software.
Casino slot machine games have RNGs that are continually generating combinations, even when the slot machine game is not being played.
Running concurrently with the RNG of the casino slot machine is the pay out rate per cent.
The pay out percentage controls just how much the one-armed bandit will pay, for e.g. the pay out per cent might be ninety per cent, meaning the slot game will pay 90% of all the bets played, and the casino simply gets to keep 10 per cent.
This does not imply that each and every time you bet 10 credits you will receive 9 in return – where is the fun and excitement in that? Instead, the casino slot machine just won’t pay out for a while, and then suddenly start up a hot streak and you might hit a big top prize.
The pay out %s will tend to vary between the alternate games and a handful of the highly acclaimed casinos, like Golden Online Casino, which offers a pay out of up to ninety five per cent!
Therefore, in essence, the slot machine takes all the dough played into it and pays it out to a couple of chosen winners. The casino only gets to keep a fairly indistinct per cent of all the gambles allotted.
The casino slot machine software controls every part of the machine, from the dazzling lights to the revolving of the reels.
When you hit spin on the slot machine, a combination is formed by the RNG which corresponds to the pictures on the reel.