Page 93 - EVS Class 03

The telephone was invented by Alexander Graham Bell.

Radio was invented by Guglielmo Marconi.
Television was invented by John Logie Baird.

* Communica on is the art of sending and receiving messages and informa on.

* In olden days, people used to communicate by beating drums and sending
smoke signals.

* The postal system is one of the oldest, cheapest and most widely used system
of communication.

* Telephone, mobile phone and e-mail are the electronic means of
communication.

* Newspaper, radio and television are means of mass communication.

A. Answer the following questions.

1. What do you mean by communication?

2. What is internet used for?
3. How did people communicate in olden days?

4. What are the means of mass communication?

5. Name two things that we send from a post office.

6. Who invented radio?
B. Fill in the blanks.

1. _____________ phones can be carried everywhere.

2. Television is a means of _____________ communication.

3. For sending a written message instantly, you can use a _____________
machine.

4. You can find lots of information on any subject through the
_____________.

5. _____________ was invented by John Logie Baird.

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