The exchange of information is called ………...

Indian satellites used for communication are called ………

The ………….. on a person’s face and other gestures communicate a message to us.

Information is useful for constructing ………….

Through telecommunication, people can be…………. about natural disasters like from tsunamis, floods etc.

…………. media helps in expansion of trade and industry.

We get all sorts of ………… through television channels and the internet.

Time spent on watching……….. leads to the neglect of outdoor sports and physical fitness.

We must be careful not to use communication …………..

We watch TV programmes on many different channels. Where do they come from?

With the help of computers we are able to do our work faster and save time and efforts.

The uses of artificial satellites are

Telecommunication devices such as mobile should be used properly and ……………

Excessive use of telecommunication devices is good for health.