Slot is a word that has many meanings. It can refer to a place or position, a job opening, or a grammatical construction. It is also used to describe a person who is addicted to technology.
The word Slot comes from the Old English word sleutana, which means to enter. It is cognate with the German Schloss.
A Slot is a rectangular area in an ice or field hockey rink that the ball must pass through without deflection. It is also the fourth position in a flying display.
It can also be used to refer to an airplane that has a slot in it, which allows a pilot to land without passing through the whole plane.
An airport has slots, too. These allow the airport’s air traffic controllers to manage traffic flow more effectively. The number of slots is set by the airport’s slot coordinator, which varies with the congestion level.
Another use for Slot is in computer processors. This connection between the processor and motherboard was developed to make it easier for the user to upgrade a processor by simply sliding it into a slot.
In component programming, slot functions emit a signal that connects new slots and communicates with other objects. These functions have a variable number of arguments, and they can get confused when they don’t have enough information to communicate.
A slot function can have a mask bit, which prevents the CPU from processing it if there is percussion sound present. If the mask bit is not set, the CPU processes it, but only if it equals a state bit.