This is a television that receives its signal from a satellite or 'freeview' receiver. The signal is digital in nature.
Many older televsions are 'analogue' because they take their signal from a tv aerial, which is analogue in nature.
The analogue TV signal is due to be switched off in the UK over the next few years, so eventually analogue televisions will be a thing of the past and everyone will have to use a digital tv.
Challenge see if you can find out one extra fact on this topic that we haven't already told you
Click on this link: Digital TV