CHAPTER ONE INTRODUCTION 1.0 BACKGROUND TO THE STUDY Television is a system for converng visuals images with sound to electrical signal, transming them by radio or other means and displaying them electronically on a screen(wikipedia.com 2014) Ever since the television was invented in the 1920s, the development of new technologies has influenced people’s lives for many generaons. Considered widely as a main medium for mass communicaon. However, debates over Television's fundamental purpose have never stopped. The main purpose of television is educaon, informaon, enlightenment and entertainment. Educaonal Television program can offer people fresh knowledge that is oſten hard to find in books. In a globalised world, it is necessary for the people to be open minded and keep up to date with the current situaon around the world. Informave program can supplement and deepen what students learn from school much of knowledge taught in the class may be out of date or not closely related to the society. Therefore, educaonal television program will be very helpful and can help those who have been out of school update their knowledge or just improve themselves. Moreover, informave and educaonal program can also teach people skills that oſten prove to be useful in life. Another important funcon of television is to entertain people as one saying goes all study and no play makes jack a dull boy. Thus, people need entertainment to help relieve them out of the daily pressures from work or school. Humorous and entertaining programs can help people forget what made them unhappy or pressurized, even temporarily. Therefore, the funcon of television are educaon as well as entertaining since people need not only new knowledge to update themselves but also entertainments to enjoy. Those programs that inform people in an entertain able way can hold back more audience in front of the television set(CRIENGLISH.com 2014) A social network is a web based service that allows individuals to create a public profile and create a list 0f users with whom to share connecons, views and cross the connecons(wikipedia.com 2013) Social networking promotes informaon sharing and collaboraon amongst individual, can also be used in academic sengs promote student's engagement and facilitate beer student