A common gambling machine found in casinos all over the world is the slot machine. Different names for them exist, such as "fruit machines" in the UK, "pokies" in Australimc stan googlea, and "one-armed bandits" in the US. To play the basic concept, you put money into the machine, turn it on, and watch the reels spin. To win prizes, players must line up matching symbols on the reels. Using random number generators (RNGs) to determine results, computerized systems have replaced mechanical devices in modern slot machines.