What Is a Slot?

A slot is a small opening, groove, or cubbyhole in something. For example, you might put your mail through the mail slot at the post office, or you might have a job slot at a magazine. A slot is a useful tool for controlling air traffic at busy airports. Without a slot, multiple flights could cause delays and frustration. But slots can also have a negative impact. The following are some examples of slots in everyday life.


A slot is a container that holds things, such as coins or a DVD. In a computer game, a slot can be either a box or a frame. In a frame, a slot has a set of slot values. A slot is a binary relation. The value V of an own slot represents an assertion that the relation exists. In a movie, for example, a frame called Favorite-Food might have a string of ice cream and Potato-Chips as its values.

The term slot has many meanings. Generally, a slot is a small opening that is dedicated to one user on a server. A 4 slot server welcomes four users at once. A smaller slot is the equivalent of one slot in a 64-bit system. A smaller version of the slot has a higher capacity and is generally less expensive. The definition of a slot is based on its usage. For example, a computer with a slot for a graphics card can accommodate a graphics card that contains 64-bit hardware.