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

Casino one armed bandits have RNGs that are constantly generating combinations, even when the machine is not active.

Running concurrently with the Random Number Generator of the casino slot machine is the pay out percent.

The payout % controls just how much the slot machine will payout, for eg the payout percentage may be ninety per cent, meaning the slot game will payout ninety per cent of all the wagers played, and the casino only gets to keep ten per cent.

This does not mean that each and every time you bet ten credits you will receive nine in return – where is the fun … thrill in that? Instead, the casino slot just will not pay out for a little while, and then suddenly fire up a hot streak and you might catch the big jackpot.

The profit %s will most likely vary between the different games and several of the extremely popular casinos, such as Golden Online Casino, which hands out a pay out rate of up to 95 per cent!

Hence, in essence, the slot machine takes all the funds played into it and pays it out to a couple of chosen winners. The casino only gets to keep a considerably low percent of all the bets allotted.

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

When you hit spin on the slot machine game, a combination is formed by the RNG which is linked to the pictures on the reel.