which broadcasting is carried out throughout the world and involves the airborne transmission of electromagnetic audio signals in the case of radio and audio and visual signals in case of televisions that can generally be accessed by a wide population through receivers (Biagi 2014, p.131). Broadcasting plays a crucial role in ideology, news values, social and cultural context as well as the political context as most people use them to address and tackle the issues affecting a country. The major reason for the use of broadcasting is its capacity to reach a large number of people or masses in the passing of information as well as entertainment. Broadcasting emerged as a remedy to the traditional or conventional means of sending information that was used previously.
Radio developed as an improvement of the telegraph as an instantaneous system of information to address the desire of humans for a mode of communication free from the obstacles of long-distance transportation (Timmons 2005, p.53). The first system developed by Guglielmo Marconi transmitted information which was picked about 3km away by a receiving device that had no connection to the transmitting device that demonstrated that electronic signals could be cast broadly through space and could be captured by receivers. As already stated, the radio transmits news through sounds also known as audio medium that is played on the radio for the audience. Radio broadcasts may range from as little as a few seconds to lengthy minutes and may include local or international news as well as entertainment that may be incorporated in the program to encourage a flow in the broadcasts. News plays an important role on radio such as contribution of flow and a source of content that may be social or cultural as well as other contexts.
News plays a major role in radio that may be grouped in such criteria as enabling citizenship, helping us know the world around us, facilitating the exchange of ideas and information, revealing