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Modern casino slot machines are controlled by computer software, and the win %s are preprogrammed into the software.

Casino one armed bandits have Random # Generators that are ceaselessly generating combinations, even when the game is not being played.

Running jointly with the Random Number Generator of the casino slot machine is the payout %.

The payout percentage controls how much the slot machine game will pay out, for eg the pay percent may be 90%, which means the slot game will pay out 90% of all the bets played, and the casino will then get to keep ten per cent.

This doesn’t imply that for every time you bet 10 credits you will receive 9 in return – where is the fun and thrill in that? Instead, the casino slot just won’t payout for a while, and then suddenly go on a hot streak and you might hit a big jackpot prize.

The pay out percentages will most likely vary between the different games and a handful of the very established casinos, e.g. Golden Online Casino, which gives a payout of up to ninety-five percent!

So, in essence, the one-armed bandit takes all the money played into it and pays it out to some privileged winners. The casino only gets to keep a generally low percentage of all the plays made.

The casino slot machine software controls each and every part of the machine, from the dazzling lights to the circulating 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.