A
slot machine informally fruit machine the slots poker machine or
"pokies" or simply slot is a casino gambling machine with three
or more reels which spin when a button is pushed. Slot machines
are also known as one-armed bandits because they were originally
operated by a lever on the side of the machine instead of a
button on the front panel, and because of their ability to leave
the gamer penniless.Many modern machines still have a legacy
lever in addition to the button.
Slot machines include a currency detector that validates the
coin or money inserted to play. The machine pays off based on
patterns of symbols visible on the front of the machine when it
stops. Modern computer technology has resulted in many
variations on the slot machine concept. Slot machines are the
most popular gambling method in casinos and constitute about 70
percent of the average casino's income.