A circuit board that is usually mounted inside the computer that generates signals necessary to drive, or control a specific type of monitor.

The adaptor card is inserted into your motherboard via a PCI, ISA, or VESA slot. It usually has a monitor hookup, and it handles nearly all graphical work done by the computer.

Another name for a graphics card, see Graphics card.

Video circuitry that is designed to fit into an expansion bus and that determines the quality of the display and resolution of your monitor.