Q 1. Mass communication is about how many types?
There are 4 types of mass communication. They are broadcast, print, outdoor, and internet (digital).  The broadcast medium includes radio, television, cinema, etc.   The print medium is newspapers, magazines, books, journals, and diaries. Posters, banners, kiosks, etc. make the outdoor mediums. Digital or internet medium comprises the social networks, online promotions, e-books, etc.