A slot is a narrow opening or groove, especially one for receiving something, as a coin or a letter. It may also refer to a time or place that is reserved or allocated: he has a slot at the end of the school day; she has a slot in the chorus. A slot is also a position or assignment: he has the slot of chief copy editor; she has the slot as an assistant to the president.

A computer chip has a number of slots, each with a set of connection pinholes (or a different form of interface) and a space to fit an expansion card containing the circuitry that provides some specialized capability, such as video acceleration or disk drive control. Almost all desktop computers have a set of expansion slots, which can be used to upgrade the machine’s capabilities or to add memory.

In gambling, a slot is a position that requires players to bet on specific symbols in order to win credits based on the machine’s pay table. The number of paylines and the types of bonus features that can be triggered depend on the type of slot and the game rules. Some slots allow players to choose their paylines while others require that they bet on all available lines.

Slots can be found in land-based casinos and on online gaming websites. They usually have a themed appearance and offer bonus features aligned with the theme. While some players worry about the possibility of rigged slot games, these machines are heavily regulated and tested to ensure fairness.

The game’s symbols vary depending on the theme and can include fruit, bells, and stylized lucky sevens. Some slot games have a progressive jackpot that increases with each spin of the reels. Other slots have a mini-game that can result in prizes such as free spins or additional bonus rounds. Many players find it advantageous to know the bonus features and rules before choosing a slot.

In football, a slot receiver is a smaller wide receiver who can stretch the defense vertically with speed and route running. They can run a variety of routes, including slants and quick outs. Slot receivers are becoming increasingly popular in the NFL, as teams seek out speedy pass-catchers who can help them offset declining defensive backfield depth. Psychologists have found that people who play video slot machines reach a debilitating level of involvement with gambling three times faster than those who play traditional casino games. This has led to calls for the regulation of slots in casinos and other gambling establishments. In addition, the 2011 60 Minutes report “Slot Machines: The Big Gamble” focused on the link between slot machine play and problem gambling. However, a recent study has shown that limiting the amount of money players can wager per spin can significantly reduce the risk of addiction. This is an important step in combatting the rising problem of casino gambling.