Modern casino slot machines are controlled by computer software, and the winning percentages are preprogrammed into the game software.

Casino one armed bandits have RNGs which are ceaselessly generating combos, even when the slot machine is not being played.

Running concurrently with the random # generator of the casino one-armed bandit is the pay out rate %.

The pay out per cent controls how much the slot machine will pay out, for example the pay out % could be 90%, which means the slot machine will payout 90% of all the bets played, … the casino simply gets to keep 10 per cent.

This does not imply that every time you bet ten credits you will receive 9 in return – where is the fun and excitement in that? Instead, the casino slot machine game just won’t payout for a while, and then suddenly start up a hot streak and you might hit a big top prize.

The payout percentages usually will vary between the various games and a couple of the highly common casinos, for instance Golden Online Casino, which gives a cash payment of up to 95 percent!

Therefore, in essence, the slot machine game takes all the $$$$$ played into it and pays it out to a few privileged winners. The casino only gets to keep a basically indistinct per cent of all the plays allocated.

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

When you hit spin on the one-armed bandit, a combination is developed by the RNG which corresponds to the pictures on the reel.