How do slot machines determine if it's time for a big win?

big city 5 slot machine   Dan big mighty bear slot

I don't gamble enough to win really big payouts, and I mostly go to Las Vegas or Atlantic City just to get away

A JACKPOT SO BIG That It Shut Down All The Slot Machines! SDGuy BIG CITY 5's Slot I picked up 5 grand on a lucky ducky $5 machine Those red screen I won around $1700 on a fireball slot machine (Not the firelink

luckyland slot A JACKPOT SO BIG That It Shut Down All The Slot Machines! SDGuy BIG CITY 5's Slot Stopped in for a quick afternoon play and saw Big City 5's Jackpots were very big so decided