Modern casino slot machines are controlled by computer chips and software, and the winning percentages are preprogrammed into the game software.
Casino one armed bandits have RNGs which are continuously generating combos, even when the game is not active.
Running collectively with the random # generator of the casino slot machine game is the pay out percentage.
The payout percentage controls just how much the slot machine game will payout, for e.g. the pay percent may be ninety per cent, which means the slot machine will payout 90% of all the bets played, and the casino will then get to keep ten percent.
This does not mean that every time you bet ten credits you will receive 9 in return – where’s the fun … thrill in that? Instead, the casino slot machine game will not payout for a little while, and then suddenly go on a hot streak and you might hit a big top prize.
The payout percentages most likely will vary between the a variety of games and several of the very famous casinos, for e.g Golden Online Casino, which gives a cash payment 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 handful of fortunate winners. The casino only gets to keep a averagely indistinct percent of all the odds allocated.
The casino slot machine software controls each part of the machine, from the blinking lights to the revolving of the reels.
When you hit spin on the one-armed bandit, a combination is generated by the RNG which corresponds to the pictures on the reel.