do i need a digital adapter if i have a digital t.v.

[jimbofrancis]

Do I need a digital adapter if I have a digital TV

 

[americanaudiophile]

If you have an HDTV with a ATSC digital tuner built in then no you do not need a digital adapter for over the air channels.
If you are using digital cable then you probably do need a digital adaptor or cable box.