Modern casino slot machines are controlled by computer software, and the win %s are pre-programmed into the game software.
Casino Slots have RNGs which are ceaselessly generating combinations, even when the machine is not being played.
Running synchronously with the random # generator of the casino one-armed bandit is the pay out percent.
The pay out per cent controls just how much the slot machine game will pay out, for eg the pay percent may be 90%, which means the slot machine game will pay 90% of all the bets played, … the casino only gets to keep 10 percent.
This does not mean that each and every time you bet ten credits you will receive 9 in return – where is the fun and excitement in that? Instead, the casino one arm bandit just will not payout for a while, and then suddenly hit a hot streak and you might draw the big pot prize.
The payoff %s shall vary between the various games and several of the most common casinos, for instance Golden Online Casino, which tenders a pay out rate of up to ninety-five percent!
This means that, in essence, the one-armed bandit takes all the cash played into it and pays it out to some chosen winners. The casino only gets to keep a averagely low per cent of all the wagers allocated.
The casino slot software controls every single part of the machine, from the flickering lights to the spinning of the reels.
When you hit spin on the slot machine, a combination is developed by the RNG which corresponds to the pictures on the reel.