Available Answers

1. 1.

   Write true or false.

   1. Telegram was the physical transmission of messages by paper from one person to another.
   2. Landlines and walkie-talkies have almost been replaced by mobile phones and smartphones.
   3. Social networks are a result of globalisation.
   4. The world today can barely function without the internet as a means of communication as it is used in business,education and our daily lives.
   5. The telecom revolution was a result of government initiatives in India.
2. 2.

   Fill in the blanks.

   1. ___________ is the electronic version of letters.
   2. Talking over the phone is an example of _______________ communication.
   3. The technology of communicating through electronic messages is called ________________.
   4. The telephone was invented by ______________ in 1878.
   5. Bengaluru is called the ______________ of India.
3. 3.

   What is communication?

4. 4.

   How were letters delivered before the development of the transportation system?

5. 5.

   How is SMS helpful for communication?

6. 6.

   How does the modern technology benefit us in our household needs?