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Take A QuizAlternatively called an adapter card, add-on card, expansion BOARD, internal card, interface adapter, or card, an expansion card is a PCB that fits into an expansion SLOT on the motherboard. An expansion card is an internal card that gives a computer additional capabilities, such as enhanced video performance via a graphics card.
NoteExpansion cards can sometimes be called daughterboards. However, it is more appropriate to refer to them as expansion cards or one of the terms mentioned earlier.
Types of expansion cards in a computerThe above devices are available as expansion cards and can also be onboard the motherboard.
TipSee our expansion slot page for a listing of the slots these cards can use.
Expansion card exampleBelow is a graphic illustration of an ISA Modem expansion card (click the picture to get a descriptive overview).
As seen in the picture, an expansion card has two main parts, the gold plated connector that connects to a motherboard expansion slot and the connector plate. The back metal plate often has connections that allow an outside device to COMMUNICATE with the card and computer. In this example, the modem has two RJ-11 jacks that allow it to communicate over a phone line.
Do laptops or netbooks have expansion cards?Laptops, netbooks, and other mobile computers do not have expansion cards like what was explained above. However, some laptops can have PC Cards that can be inserted into the side of the laptop. They may also have a Cardbus slot for an ExpressCard to be added.
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