Modern casino slot machines are controlled by computer chips and software, and the winner percentages are preprogrammed into the computer software.
Casino slot games have RNGs which are continuously generating combinations, even when the game is not active.
Running synchronously with the RNG of the casino slot machine game is the payout per cent.
The payout percent controls how much the one-armed bandit will pay, for e.g. the pay per cent might be 90%, which means the slot machine game will payout ninety percent of all the bets played, … the casino will then get to keep ten percent.
This doesn’t mean that each time you bet 10 credits you will receive nine in return – where’s the fun and fascination in that? Instead, the casino slot machine game will not payout for a bit, and then suddenly go on a hot streak and you might draw the big grand prize.
The pay out percentages shall vary between the assorted games and several of the most acclaimed casinos, for example Golden Online Casino, which tenders a payout of up to ninety-five percent!
Therefore, in essence, the slot machine takes all the funds played into it and pays it out to some privileged winners. The casino only gets to keep a generally indistinct % of all the plays allotted.
The casino one armed bandit software controls each part of the machine, from the flickering lights to the rotating 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.