When purchasing a High Definition Television set, it is important to consider the number and types of input jacks it has.  Different types of inputs exist that can handle varying levels of video quality.  New types of connections have been introduced to support the higher quality video signals that are becoming available.

From the most basic to the most superior, the types of connections are as follows:

Antenna/Cable (RF)
Composite-Video
S-Video
Component-Video
HMDI and DVI