1930 to 1939 1940 to 1949 1950 to 1959 1960 to 1969 1970 to 1979 1980 to 1989 1990 to 1999 No data. - презентация

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4 In its early stages of development, television employed a combination of optical, mechanical and electronic technologies to capture, transmit and display a visual image. The first images transmitted electrically were sent by early mechanical fax machines, invented by Paul Nipkin German engineer in In 1925 John Berd Sweden engineer invented mechanism that could show faces clearly. Although television was first introduced to the general public at the 1939 World's Fair, the outbreak of World War II prevented it from being manufactured. True regular commercial network television programming did not begin in the U.S. until 1948.

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7 Television - is when people who have nothing to do, look at people who do not know how to do anything. - Fred Allen. TV – it is chewing gum for the eyes. - Frank Lloyd Wright TV can teach and educate and even inspire, but only as long as people will use it accordingly. Otherwise - it is nothing more than a box with wires and light bulbs. - Edward R. Murrow

8 The number of commercials, that a child watches per one year: 20,000. Number of minutes per week, when a child watches TV: 1,680 Hours per year that the average (American) teenager spends at school: 900 Hours per year that the average (American) teenager spends in front of TV: 1500.

9 Pros of TV. TV - something that helps to spend your spare time. TV – a great thing for single people. TV - the way to know of what is happening in the world. You can watch an interesting movie without leaving home. If you do not want to go to the movies, you may wait only a year and discover this movie on TV. Many entertainment programs for children, helping them to develop. TV - something that helps to spend your spare time. TV – a great thing for single people. TV - the way to know of what is happening in the world. You can watch an interesting movie without leaving home. If you do not want to go to the movies, you may wait only a year and discover this movie on TV. Many entertainment programs for children, helping them to develop.

10 Cons of TV. TV impairs vision. TV is addictive. There is a lot of violence on TV. If you eat in front of TV, you eat a lot more. Little children can « occupy » TV to watch your favorite cartoons. TV impairs vision. TV is addictive. There is a lot of violence on TV. If you eat in front of TV, you eat a lot more. Little children can « occupy » TV to watch your favorite cartoons.

11 l e o n i s v r T h s GOOD BYE