An expansion slot is used to add additional devices to a computer system that the manufacturer may not have included, or to add additional / redundant devices to supplement those present. Examples of devices that may be installed via an expansion slot include:
it is used to connect expansion cards to the Motherboard
expansion slot
MCA
MCA
A RAM slot or what is sometimes called an expansion slot is a rectangular slot that is built into the motherboard. A RAM slot is used to place expansion cards in it, such as RAM cards to increase the amount of RAM that is on the computer. The main purpose of the RAM slot or expansion slot, is just for the user to be able to increase the amount of RAM on their computer.
To play 3 or 4 players on Hydro Thunder you need a Expansion Pak in your expansion slot.
Heat expansion.
The expansion slot is the socket on the motherboard that can hold an adapter card. There are different types of expansion slots (pci, pcie, pciex16) so you need to check that the expansion is the same kind as the adapter card.
The now obsolete AGP slot was used solely for video. The current slots used for video, the large x16 PCIe connectors, can also be used for general PCIe expansion cards. Sitting in shelf above my head, I still have some PCI and ISA slot video cards: using a general-purpose expansion slot for video is the standard way, and a dedicated graphics expansion slot was a short-term abberation.
An obsolete slot for voice-modems I think
motion
AGP