What is an external graphics card? What are the functionalities and needs of external graphics cards?
The function of a graphics card is to generate the external image output. Many graphics cards render external functions such as rendering 3D scenes and 2D graphics. Some graphics cards provide the facility to connect more than one monitor. The processor which is associated with a graphics card is known as GPU. It is used to produce high-end 3D graphics and for graphic intense applications. Graphic cards come loaded in every notebook and netbook because, these are an integral part of a computer. But, the main purpose of making an external graphics card is that the notebooks cannot handle the high-end graphic cards. For this reason, the external graphic cards were introduced in the market with plug and play options to cater the need of the avid gamers. The role and need of the external graphics card is discussed over here.
