Difference Between Expansion Slot and Expansion Card

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In computing, an expansion slot is a socket on a computer motherboard that allows you to insert an expansion card to add new functionality to the system. Expansion cards, such as graphics cards, sound cards, or network cards, are physical components that connect to these slots. The main difference is that the expansion slot is the interface, while the expansion card is the device that plugs into it. This setup enables users to upgrade their computers without replacing the entire motherboard.