A slot is a narrow opening, as in the keyway of a lock, or a slit for a coin in a machine. It is also a position in a sequence or program. If something slots into another object or position, it fits well. A computer has a number of expansion slots that can be used to install additional hardware components. A video card, for example, slots into an expansion slot on a motherboard. A slot can also refer to a specific time period when an event will take place. For instance, a football game might be scheduled to start at 8:00 PM.

The term “slot” was introduced by Al Davis, who became the Oakland Raiders’ head coach in 1963 and adopted the strategies of his predecessor, Sid Gillman. Gillman was the first to use a wide receiver and running back in tandem, which allowed him to attack the defense from three levels—the line of scrimmage, the linebackers, and the secondary. His approach gave the Raiders the advantage over teams that used a single traditional wide receiver.

Unlike outside receivers, who are often more physically imposing, slot receivers are small and stocky with quick feet and great hands. They must be able to run just about any route and have precise timing to win against the defense. They must have good chemistry with the quarterback as well. They are also vital blockers on running plays like sweeps and slants.

In addition to their catching skills, effective slot receivers are good blitz pickups. They should be aware of where the defenders are on the field at all times and know which defensive coverages they can beat. They also need to be able to play both sides of the field.

Some slot players are prone to gambling addiction. Psychologists have found that people who gamble on slot machines reach a debilitating level of involvement with the game three times more quickly than those who play other types of casino games.

Slot players are at particular risk for injury because they are close to the action and vulnerable to big hits by defenders. Because of this, they are more likely to get targeted on passing plays than outside receivers.

When playing a slot game, it is important to look at its payback rate, which is the percentage of money that will be paid out to the player per $100 spent. This information is available on most online casinos and can help you decide whether or not to play the game.

When looking for a slot machine, look for one that has a high return-to-player (RTP) rate and low volatility. A slot with a high RTP rate pays out smaller amounts more frequently but will not offer the potential for large jackpots. A slot with a low volatility pays larger sums less often but has the potential for huge wins. In either case, it is best to play conservatively and not exceed your bankroll.