The 1930s and 1940s are considered as radio’s “golden age”. During these decades radio was popular before the invention of another mass entertainment medium‚ television‚ in the 1950s. The invention of television was based on a complex of inventions and developments in electricity‚ telegraphy‚ photography and motion pictures‚ and radio. In fact‚ early television was often little more than radio with pictures. Television has been the greatest and most influential invention of the twentieth century
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19 November 2013 Radar: The Protector of Civilization The invention of the radar was a very significant advance in history. Once the year 1887 passed‚ Heinrich Hertz had developed the principles necessary to conduct a radar by proving radio waves could reflect off metallic objects. Then‚ in 1935‚ Robert Watson-Watt constructed and patented the first radar to show what wonderful things one machine can do. To this date‚ the radar has presented a vast amount of programs that amaze society in many
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the development of devices concerned with engineering is a branch . 2 Numerous devices used in everyday life are manufactured using electronic elements . Nearly every electronic device is in industrial products . In the fields of electronics ‚ radio‚ radio ‚ telephone‚ radar‚ television‚ various system controls are Komputer ‚ measurement and test equipment‚ medical devices and many more will enter . 3 Electronics based on 17 ‚ 18 and 19 century with the discoveries made on electricity have been
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Italian Guglielmo Marconi. De Forest ’s doctoral dissertation on the "Reflection of Hertzian Waves from the Ends of Parallel Wires" is said to possibly be the first doctoral thesis in the United States on the subject that was later to become known as radio. (Kraeuter‚ 76). His first job was with the Western Electric Company in Chicago‚ where‚
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during the 20th |the invention of the printing press‚ radio‚ telephone and television. The printing press | |century? |gave us the ability to print papers and tabloids on a large scale. Before this each page | | |had to be done separate. This lead to the newspaper and magazine to reach millions of | | |readers. Next would be the radio. This enabled voices and music to be broadcast through
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Broadcast Journalism Broadcast journalism provides a timely medium for individuals to obtain their news. Reporters have a duty to report the news in an accurate‚ fair‚ clear and interesting manner. Broadcast journalism differs to written journalism as radio and television are designed to be seen and heard sooner and more often than a daily or weekly newspaper therefore scripts for speaking to be broadcasted tend to be written differently than text to be read by the public. | * | Broadcast
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Bharathi 17. Recent Innovations in AIR/FM Radio 18. Origin and Development of TV in the world 19. Origin and Development of TV in India/Doordarshan/SITE 20. Prasar Bharathi Act 1990 21. Commercial Service in DD/ DD through 70s and 80s 22. Public service broadcasting and social responsibility/Role of TV in Promoting Development and Social Change 23. Programme Content of AIR 24. Programme Content of DD 25. Contribution of radio to development 26. Growth and Impact of Satellite
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Cell Phones Might Cause Cancer I remember the first time my grandfather told me he had cancer. My assumption was that it was all health related. Yet I learned that it was also caused by the usage of electronic devices. I was shocked and surprised of this news. Will this start to affect the future of my generation? It seems like everyone is on some type of electronic device everywhere you look.. Cell phones first became widely available in the United States in the 1990s. Ever since then the use
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transmission and finally various media for digital communication are illustrated. Communication systems provide for electronic exchange of multimedia data such as Voice‚ data‚ video‚ music‚ email‚ web pages‚ etc. The common communication systems are Radio and TV broadcasting‚ Public Switched Telephone Network (voice‚ fax‚ modem)‚ Cellular Phones‚ Computer networks (LANs‚ WANs‚ and the Internet)‚ Satellite systems (pagers‚ voice/data‚ movie broadcasts)‚ Bluetooth. Communication is the production and
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revolution of the Information and Communication Technology (ICT)‚ the television‚ radio and print media had been the main source of mass communication. The development of mass media in Nigeria dates back to 1970 with the print media being the first having a coverage of about 45% with more penetration in the urban areas. The radio soon followed having a more widely reached audience though the availability of the radio at earlier stages was low and in 1990 then came the emergence of the television having
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