Page 64 - SST Class 03
P. 64
5. A ____________ can do a large number of functions.
(a) television (b) letter (c) mobile phone
6. You can watch visuals on a ____________ .
(a) television (b) radio (c) FM
B. Write TRUE or FALSE :
1. A letter reaches its destination quickly. _______
2. Technology has played a vital role in communication. _______
3. We can buy letters and stamps from a post office. _______
4. A landline can be carried in the pocket. _______
5. An email can also be sent on a mobile phone. _______
6. Normally newspapers are published daily. _______
C. Answer the questions briefly :
1. What is the postal system?
2. How has technology helped in sending messages?
3. Where do you put your letter after you have written it?
4. How is a landline telephone different from a mobile telephone?
5. What is an email?
6. How is a television more advantageous over a radio?
Activity
v Which means of communication will you use in the following circumstances?
• You want to greet your friend on his birthday. He lives in Mumbai.
______________________________________________________________________
• You have to send a photocopy of your progress report to your brother.
______________________________________________________________________
• You have made a machine that runs on water. How will you tell all people?
______________________________________________________________________
Communication and You
v Find out and write any four features of a mobile phone :
________________________ ________________________
________________________ ________________________
64 Contemporary Social Science-3