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
   59   60   61   62   63   64   65   66   67   68   69