What is an Expansion Card?
An expansion card is an electronic circuit board that adds more functionality to a desktop computer. Expansion cards are installed into the expansion slot of a computer motherboard. They enhance the computer’s ability to perform additional functions not offered by the motherboard. Video cards and sound cards are common examples of PC expansion cards. A new video card added will enhance the three dimensional graphics processing power of a computer while a new sound card may improve a computer’s audio input. There are alternative terms used for an expansion card. It is also known as expansion board, add-on card, interface adapter or an internal card. Generally, around one to seven expansion cards can be installed into the desktop computer system. Laptops do not use standard cards due to their small form factor. A laptop expansion card can be in the form of a removable PCMCIA card that offers additional functionalities to it. The Altair 8800, developed in the mid 1970s, was the first micr
An expansion card is a card that you put into your computer’s motherboard to give it extra or better features. The main types of expansion cards are sound cards and video cards. Sound cards give the computer better audio performace once you plug your speakers into the card. Same thing goes for video cards, they give your computer better graphics once you plug your screen into them.
