The Brainliest Answer!
It is a one way wireless transmission over radio waves invented to reach a wide audience .stations can be linked in radio networks to broadcast a common radio broadcasting can be also done via cable radio local wire television networks ,satellite radio and internet radio .the signal types can be either analog audio or digital audio    plz mark as the best 

3 5 3
which pic u hav assigned in that
reply plzz
a forigner girl
its ok