Television

Television is one of the most important  and remarkable gifts of modern science.Its invention has brought an epoch-making change in the communication system between the countries of the world. The latin term 'tele' means 'distance' and 'vision' means sight'.Thus television means sight from a distance.It is a scientific device to distant places.

An English scientist named John Logi Beyard invented television in 1926.Its invention has killed distance and the world has been brought into the campass of our small drawing room.

Television has been invented to satisfy our eyes and ears equally and simultaneously . By radio we can here the voice of speakers and singers only. But in television we can here the voice of speakers and singers along with their photographic pictures .

In cinema we see pictures reproduced on the screen by radiograph but in television we can see the actual persons and hear their voice.

Its working system is very difficult. First pictures are broken into small elements of light and shade; thus it is changed into electric waves.This process is called scanning.Sounds are also changed into a form of vibration which are called sound waves.The electrical waves of pictures and sound waves are transmitted b the television stations. These waves are caught by the caught by the antena of our television.These waves go through some mechanical reproduced in a similar process.So,we can see the pictures on the screen and hear the sound simultaneously.

Television is a powerful mass-media. It presents us songs,news, plays, dances, talks ,music, dramas , speeches and weather reports.Through television we may be aquainted with men and women of different countries.We can see their customs with our own eyes.It plays an important role at the tine of natural calamity.It is a power ful instrument to mould and influence public opinion.

Television is the best source of learning.It can educate the people on the current topics of the world.We can know how developments are taking place in other countries of the world.It is a powerfull means of keeping up to date knowledge in every field of learning.

Television serves the purpose of our recreation. After days work we sit before a television set  and enjoy songs, dances,dramas and sports and games.We can see the matches of various games without going to the overcrowded stadium.

Television has some disadvantages too.Often young boys and girls prefer enjoying television programme  to reading.They forget everything and concentrate their attention on it.

Television is a blessing of modern science.It is the most up -to -date means of communication.Nowadays it has become very much popular. It is a boon of science for mankind.