MASS MEDIA is a means of communication used to communicate the happenings of world to the general public in a short time .                                                  It includes,                                                       1.Television.                                         2.Internet.                                             3.Radio.                                                   4. News Papers                                     5.Advertising.                                       6.Magazines.                                          7.Movies etc..                 The organizations that control technologies such as movie studios, publishing companies and radio and television stations are also known as the Mass Media.                            FUNCTIONS OF MASS MEDIA              The Functions of mass media are the following:                            1.Mass media helps to correlate or co - ordinate various parts of the social system by gathering and disseminating valuable information.                               2.It acts as powerful agents of socialization by transmitting society 's cultural heritage.                    3.It function as social control agents by gathering information.        4. It provides pleasure and entertainment.                                            5. It carries messages of Persuasion.                                                 6. It acts as a community forum.                                                          7. They socialize people, especially children and newcomers.                                        CHARACTERS OF MASS MEDIA:                                                         1.Communication is mostly one way.                                                      2.Audience has Great deal of choice.                                                         3.Reach large and cast audience.                                                  4. Absense of direct feedback.      5. Requires help of profesional comunication.                                       6. Influence society and are in turn influenced by society.             NEED AND PURPOSE OF MASS MADIA LITERACY:                                Media Literacy is the ability of access ,analyse, evaluate and produce media.                                       The following are the need and purpose of media literacy:                   1. Media literacy is concerned with helping students to develop an informal and critical understanding of the nature of mass media.                                              2. In aims to increase  students with the ability of create media products.                                                    3. Media messages play a role in constructing and influencing reality.                                                       4. It develops critical thinking skills.                                                         5. It helps to understand how media messages shape our culture and society.                               6. It helps to inform,entertain or persuade the reader about a topic.                                                         7. It helps to evaluate media messages bias,spin, misinformation,and lies.                 8. It helps to evaluate media messages based on our own experience, skills,beliefs,and values.                                                      EFFECTS OF MASS MEDIA:        BENEFICIAL EFFECTS:                   1. Radia is a powerful mass medium used in education for disseminating, information, imparting, instruction and giving entertainment.                        2. Students store all the their notes in Mobiles and study form it because it is easy and convenient.                                            3.Internet helps the youth to access unlimited information.        4. Television is a powerful and effective learning tool.                      5. Television gives a knowledge about science, technology, history, geography,etc..                    6. It makes them to think before they start doing a particular work.                                                        HARMFUL EFFECTS:                      1. Mass media does not provide in-depth learning and proper reserch.                                                   2.Media encourage mass learning without quality learning.                                                  3. Mass media poison the youth with various unethical or indecent contents in print or video forms.                                          4. Youth uses a internet in badway and especially teenagers are addicted.