Modern casino Slots are controlled by computer software, and the win percentages are pre-programmed into the game software.

Casino slot machines have RNGs which are continuously generating combinations, even when the slot machine game is not being played.

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

The payout % controls how much the slot machine will pay out, for e.g. the pay out percentage might be 90%, which means the slot machine game will payout 90% of all the bets played, and the casino only gets to keep 10 per cent.

This is not to say that each and every time you bet 10 credits you will receive 9 in return – where is the fun … fascination in that? Instead, the casino one arm bandit won’t payout for a while, and then suddenly jump on a hot streak and you might draw the big grand prize.

The pay off percentages will vary between the assorted games and several of the extremely common casinos, such as Golden Online Casino, which tenders a payout of up to ninety five %!

Therefore, in essence, the slot machine takes all the cash played into it and pays it out to a few fortunate winners. The casino only gets to keep a averagely minute percentage of all the wagers made.

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

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