Dell W1900 - Manual (Page 13)

Setting Up Your TV Display 13
Connecting Your Computer to the TV Display
Your TV display has two standard connectors that can be used to connect your computer.
NOTE: The type of connector you use depends on the graphics card your computer supports.
For additional information about graphic cards, see your computer documentation.
Quality Cable and Connector When to Use
Good A standard graphic display system for
computers that uses an analog signal and
can support resolutions up to 1280 x 768.
Better A digital signal that can support digital
and convert analog to digital. DVI can be
used for high resolution display and can
support resolutions up to 1280 x 768.