Modern casino Slots are controlled by a computer, and the winning percentages are preprogrammed into the game software.
Casino Slots have Random # Generators which are constantly generating combos, even when the slot machine game is not being played.
Running in unison with the Random Number Generator of the casino slot machine is the pay out rate percentage.
The pay out per cent controls how much the slot machine game will payout, for example the payout percentage may be 90%, meaning the slot machine will pay out ninety percent of all the bets played, … the casino only gets to keep ten per cent.
This is not to say that every time you bet 10 credits you will receive nine in return – where is the fun and exhilaration in that? Instead, the casino slot machine just will not payout for a bit, and then suddenly start up a hot streak and you might hit a big pot prize.
The profit %s will tend to vary between the alternate games and just a few of the notably famous casinos, for example Golden Online Casino, which offers a payout of up to 95 per cent!
Hence, in essence, the slot machine game takes all the dough played into it and pays it out to a number of fortunate winners. The casino only gets to keep a fairly tiny percent of all the bets made.
The casino one armed bandit software controls any part of the machine, from the flashing lights to the spinning of the reels.
When you hit spin on the slot machine, a combination is produced by the RNG which relates to the pictures on the reel.