Modern casino slot games are controlled by computer chips and software, and the winning percentages are pre-programmed into the game software.

Casino slot machines have Random # Generators that are endlessly generating combos, even when the slot machine is not currently being played.

Running synchronously with the RNG of the casino slot machine is the pay out rate per cent.

The pay out % controls just how much the one-armed bandit will pay out, for eg the payout % might be ninety per cent, which means the slot machine game will pay ninety percent of all the wagers played, and the casino will then get to keep 10%.

This really does not mean that each and every time you bet 10 credits you will receive nine in return – where is the fun and excitement in that? Instead, the casino one arm bandit just will not pay out for a while, and then suddenly fire up a hot streak and you might hit a big top prize.

The payoff percentages usually will vary between the different games and a few of the highly popular casinos, like Golden Online Casino, which provides a payout of up to 95 percentage!

Thus, in essence, the one-armed bandit takes all the currency played into it and pays it out to some privileged winners. The casino only gets to keep a fairly tiny percent of all the plays put out.

The casino slot software controls every single part of the machine, from the flashing lights to the circulating of the reels.

When you hit spin on the slot machine, a combination is put together by the RNG which relates to the pictures on the reel.