They haven't. What they did do is require all over-the-air broadcasts to switch to the new format. You can still use an old TV set, you just have to get a converter if you want to watch broadcast channels.
Digital converter boxes are used to convert digital signals to analog and were required to access tv signals for all analog televisions starting in 2011. Digital Convertor boxes are widely available at local retailers such as Target, Best Buy, HH Greg, Sears, Walmart, Radio Shack and more.
All TVS that you can buy are ready for the digital signal. You do not have to buy an HD TV to get a digital signal.
It does have a digital tuner built in. This LCD TV has a built in digital tuner,so you can receive all digital broadcast.
All Americans need digital TV's because analog TV transmissions have ceased.
All digital TV's will natively support digital cable, but most CRT TV's will not.
The government provides free digital freeview digital television to viewers in blackspot areas. There is Freeview and Freesat. The difference is that Freeview is digital tv and Freesat is satellite digital tv. For more information go to www.uksatellitehelp.co.uk.
They've had to switch their over the air broadcasting to all digital broadcasting.
After Feb 17, 2009, all analog television broadcasting will be discontinued and will become digital.
2010-2012
In the US and Europe they are almost all digital.
All
No. Digital sets are the most likely, and there are different digital systems which require a different sty;e of tuner.