Video connections are needed to connect your monitor (or TV!) to your computer. The DB-15 is the old standard, but now there are a number of alternatives! This page is designed to give you a quick overview of your choices.
Video Output Connectors
DB-15 (VGA) older style
DVI connector
DB-15 Connections(DE-15) are the most common video outputs on computers, they are also the oldest type. This is an analog connector. Pinout info
The Digital Visual Interface (DVI) is a video interface standard covering the transmission of video between a source device (such as a personal computer) and a Display Device. The DVI standard has achieved widespread acceptance in the PC industry, both in desktop PCs and monitors.