A slot is a narrow opening in a machine or container. In slots, the opening is used to deposit coins or paper tickets with barcodes.
Modern slot machines use microprocessors to determine which symbols appear on each reel. The software weighs each symbol according to its probability of appearing on the payline. This makes it appear that certain symbols are more likely to be hit than others, even though each individual symbol has an equal chance of being positioned on the payline.
The term “slot” also refers to a position on a conveyor belt or in an assembly line. In the early days of the computer industry, the term was also used to describe the memory space available on a chip.
A slot is a dynamic placeholder that either waits for content (passive slot) or calls out to the renderer to fill it with content (active slot). Slots are an integral part of the ATG offering management model and there are a few important properties that you need to understand when working with slots.