What is Communication? What is Communication? • Accurate transfer of information from sender to receiver • Sender and receiver can be people, animals, or machines. • Two way street - To have good communication, we must be sure what we are saying is clearly understood Person – Person Communication • Most communication occurs among people. • Interpersonal communication often uses speech. • This is called verbal communication. Person – Person Communication • Is often enhanced by technological means. • Speech is amplified by public address systems. • Film and Videotape record gestures that can be seen at a later time and place. Mass Communication • Communication can reach mass amounts of people using technology. • Mass communication systems include radio, television, books, magazines and newspapers. Purpose of Communication • Communication systems are designed with five different goals in mind. – – – – – Inform Persuade Entertain Educate Control Inform • To inform people we might use mass media like newspapers, radio or television. • Other examples are announcements about concerts, school or community events, sales, births, deaths or marriages. Persuasion • Person to person communication is often used to persuade. • Salespeople try to get customers to buy products • Lawyers persuade judges and juries • Advertisements use persuasion to sell products Entertainment • Entertainment is based on communication. • Movies, books, cd’s, plays, dances, concerts and cartoons are all forms of communication used to entertain. Education • We use communication to educate people. • Teachers communicate verbally with students, • Newspapers provide education through articles • Television documentaries educate viewers on many topics. Control • Communication can be used as a method of control. • This can be seen in machine to machine communication. • Thermostats communicate with furnaces to control temperature. • Timers communicate with washing machines to control the washing cycle. Communication Systems • We are surrounded by many communication systems. • Range from small calculators to a world wide telephone system • All function to achieve a desired result – To communicate a message • What Communication Systems do you use? ASSIGNMENT TIME • Now that you have learned some basics of communication technology, your instructor will give you an outline for a project that will help us investigate different forms of communication