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Oral Questions: 1. Name the two types of communication? Ans. Two type of communication are: Personal Communication and Mass Communication. 2. Who invented the radio? Ans. Guglielmo Marconi invented the radio. Write Short Note on the following: 1. Television Ans. John Logie Baird invented the television in the year 1926. We can watch many channels from all over the world on it. It both educates and entertains us. It covers political news, sports news, movie review, music, cartoon pictures and travel show. We can also watch many events live on television. 2. Telegraph: Ans. Samuel Morse invented the telegraph. Telegrams are used to send short messages in the form of codes called the Morse code. Coded messages are sent through wires by mean of telegraphs. They are received at the other end, decoded and finally sent to us. 3. Radio: Ans. Guglielmo Marconi an Italian scientist invented the radio in the year 1886. The radio gives us programs on national and international news. It has many channels to entertain us 4. E-mail: Ans. An e-mail is sent through a computer. It is a popular, cheap and easy means of communication. We can send e-mail if we have an internet connection. The message reaches anywhere in the world. It is for both purposes-official and personal. -----------------------------+------------------------------------------------