A graphics card is the part of your computer which allows the computer to convert logical information into viewable images or indicator that can be viewed on displays like computer monitors, LCD or projectors. The CPU sends information about image to the graphic card. The graphic card then processes the information and sends it to the monitor to make the best possible viewable image supported by its specifications.

There are several kinds and brands of graphic cards. As selecting a graphic card, one should check out the CPU speed. A graphic card is good only providing the CPU speed can support its functions. One also needs to check whether condition of the computer is well-matched with the graphic card. The specifications of a graphic card decide the quality of image produced such as the colors it can display, number of pixels and so on. For basic use of computer like typing, browsing or simple games, graphic cards integrated in the motherboards are quite enough. Advanced and high memory graphic cards are required for high end gaming, fast internet surfing for easy download of pictures and designers with lot of 3D work.