What is a Slot?


A position in a group, series, or sequence. He slotted into the role of chief copy editor at the Gazette.

A slot machine is a gambling device that uses a random number generator to determine the outcome of each spin. It usually consists of a reel, a central display, and buttons to indicate operations. It may also contain a ticket dispenser and a bill validator. The term slot may also refer to the number of paylines on a machine or its bonus rounds.

In ornithology, a narrow notch or other similar opening between the tips of certain primary feathers that during flight helps to maintain a smooth flow of air over the wings. In aviation, a scheduled time and place for an aircraft to take off or land at an airport as authorized by an air-traffic control authority. Airlines compete to obtain slots in congested airports. These can be valuable assets – one at Heathrow was sold in 2016 for $75 million.

On a slot machine, a line crossing each reel that determines the winning combinations. Modern slot machines have multiple pay lines, with many having geometrical shapes in addition to a straight line. The probability of a particular symbol appearing on a pay line is determined by the pay table displayed on the machine.

A slot in a computer is an area that can accept a printed circuit board. It is sometimes referred to as an expansion slot and it is used to add functionality to the system.

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