VGA - Video Graphics Array

Video graphic array (VGA), or a graphics adapter, is a computer expansion card whose role is to produce a displayable image on a computer monitor. The graphics card converts the internal digital data to the computer into a digital or analog electrical signal compatible with the monitor.
The graphics card connects to the motherboard via the:
- PCI Port
- AGP Port
- PCI Express Port
There are several manufacturers of graphics cards including:

- Intel
- Nvidia
- Ati
- Matrox
- Sis