Modern casino slot machines are controlled by computer chips and software, and the win %s are preprogrammed into the gaming software.
Casino Slots have Random # Generators which are endlessly generating combos, even when the slot machine game is not active.
Running in unison with the RNG of the casino slot machine game is the pay out rate %.
The payout % controls just how much the slot machine will pay out, for e.g. the pay out per cent may be ninety per cent, which means the slot machine will pay out 90% of all the bets played, and the casino will then get to keep 10 percent.
This does not imply that each and every time you bet 10 credits you will receive nine in return – where’s the fun and exhilaration in that? Instead, the casino slot machine game just will not pay out for a little while, and then suddenly fire up a hot streak and you might draw the big grand prize.
The pay out %s will vary between the alternate games and a couple of the highly established casinos, for example Golden Online Casino, which puts forth a payout rate of up to 95 percent!
Therefore, in essence, the slot machine takes all the money played into it and pays it out to several lucky winners. The casino only gets to keep a basically indistinct % of all the plays allocated.
The casino one armed bandit software controls any part of the machine, from the flickering lights to the rotating of the reels.
When you hit spin on the one-armed bandit, a combination is generated by the RNG which associates with the pictures on the reel.