Modern casino slot machines are controlled by a computer, and the winning percentages are pre-programmed into the software.

Casino slot machines have Random # Generators which are eternally generating combinations, even when the slot machine is not currently being played.

Running simultaneously with the Random Number Generator of the casino slot machine game is the pay out %.

The pay out percentage controls just how much the slot machine will payout, for e.g. the pay out per cent may be ninety percent, which means the slot machine game will pay out 90% of all the wagers played, and the casino only gets to keep ten per cent.

This really does not mean that for every time you bet ten credits you will receive nine in return – where’s the fun … fascination in that? Instead, the casino one arm bandit won’t pay out for a while, and then suddenly jump on a hot streak and you might draw the big jackpot prize.

The profit percentages shall vary between the various games and a couple of the highly common casinos, like Golden Online Casino, which gives a pay out rate of up to ninety-five percent!

As a result, in essence, the one-armed bandit takes all the dough played into it and pays it out to some privileged winners. The casino only gets to keep a relatively low percent of all the bets put out.

The casino slot software controls each part of the machine, from the flashing lights to the turning of the reels.

When you hit spin on the one-armed bandit, a combination is produced by the RNG which connects with the pictures on the reel.