Modern casino one armed bandits are controlled by computer chips and software, and the winning percentages are preprogrammed into the game software.

Casino Slots have RNGs which are ceaselessly generating combos, even when the slot machine is not currently being played.

Running in unison with the Random Number Generator of the casino slot machine is the pay out %.

The pay out per cent controls just how much the slot machine game will payout, for e.g. the payout per cent may be 90%, meaning the slot machine game will pay ninety per cent of all the wagers played, and the casino simply gets to keep 10 percent.

This doesn’t mean that for every time you bet 10 credits you will receive nine in return – where is the fun … thrill in that? Instead, the casino one arm bandit just won’t payout for a bit, and then suddenly hit a hot streak and you might catch the big pot prize.

The payoff percentages most likely will vary between the alternate games and a handful of the extremely popular casinos, such as Golden Online Casino, which gives a payout rate of up to ninety five percentage!

Thus, in essence, the one-armed bandit takes all the currency played into it and pays it out to a few lucky winners. The casino only gets to keep a relatively tiny % of all the bets allotted.

The casino one armed bandit software controls any part of the machine, from the flashing lights to the rolling of the reels.

When you hit spin on the slot machine, a combination is generated by the RNG which associates with the pictures on the reel.