cast

Broadcast, which can be divided into radio broadcast and television broadcast, is a type of communication technology that enables the transmission of audio and/or visual messages to a wide range of audiences. It has been an important tool for disseminating news, information and entertainment for decades.
Radio broadcast, which was invented in the early 20th century, allows people to listen to their favourite songs, hear the news, and gain intelligence related to current events. It is one of the oldest forms of broadcast technology, and was used primarily in the early days of radio to transmit news, music and entertainment during the 1920s and 1930s. Radio is still a powerful medium today, used by millions of people around the world.
Television broadcast was initially developed in the 1930s, and gained popularity over subsequent decades. This technology has allowed people to view programmes and movies live, or watch them at a later date through the advent of recording technology. Like radio broadcast, television has also become a powerful tool in disseminating information and entertainment to millions of people.
Broadcast technology has revolutionized communication, and is a vital component in our lives today. It keeps us up to date on the latest news, sports, and entertainment. It helps us stay informed about current events, provides us with entertainment, and can even act as a source of education. Broadcast technology has now become so ubiquitous and powerful, that it is virtually impossible to imagine life without it.