Modern casino Slots are controlled by computer chips and software, and the winning percentages are preprogrammed into the software.
Casino slot machines have RNGs which are continually generating combos, even when the game is not active.
Running jointly with the random # generator of the casino one-armed bandit is the payout rate %.
The payout percentage controls how much the one-armed bandit will payout, for e.g. the pay percent might be ninety percent, meaning the slot machine will pay ninety per cent of all the stakes played, … the casino simply gets to keep 10 per cent.
This is not to say that for every time you bet ten credits you will receive nine in return – where is the fun and excitement in that? Instead, the casino slot machine just will not payout for a while, and then suddenly go on a hot streak and you might hit a big jackpot prize.
The pay off percentages shall vary between the assorted games and a few of the highly famous casinos, for e.g Golden Online Casino, which tenders a payout of up to ninety five per cent!
Hence, in essence, the one-armed bandit takes all the currency played into it and pays it out to a handful of fortunate winners. The casino only gets to keep a fairly indistinct % of all the gambles allocated.
The casino slot machine software controls every part of the machine, from the blinking lights to the turning of the reels.
When you hit spin on the slot machine game, a combination is generated by the RNG which is linked to the pictures on the reel.