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To Sum Up


                           We see many things around us, and many of these are gifted by nature.
                         These are called natural things.

                           Many things around us are made by humans. These are called human-made
                         things.

                          Computer is a human-made machine that runs on electricity.

                           Computer can do a lot of things at the same time. For example, we can
                         draw a picture and listen to songs at the same time.
                          Computers can be used to search for information.

                          Computers can store a large amount of data.

                           A laptop runs on a battery that needs to be charged with the help of electricity.

                          A smartphone is a mobile phone with the features of a computer.





                                                           Exercise



                                                       Section A (Objective)
                  A.  Tick (3) the correct option.

                      1.  Which of the following is a natural thing?



                        a.                                               b.





                        c.                                               d.




                      2.   Which of the following runs on electricity?



                        a.                                               b.






                        c.                                               d.







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