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Think of a machine that doesn’t exist yet. Draw it in your notebook
                                    and write any one of its use.






                         Hashtag

                       #Touchscreen: A screen that can be operated using fingertips
                       #Robots: A smart machine designed to help humans





                       REVISIT


                    ▶  A computer is a fast machine. It works faster than humans.

                    ▶  A desktop, laptop, tablet, smartphone and supercomputer are different types of
                       computers.
                    ▶  Computers are used in many places, such as homes, schools, hospitals, offices, banks,

                       shops, airports, railway stations, police stations, publishing, and science and defence.







                                                    ASSESS YOURSELF



                  1.  Tick ( ) the correct option.

                      a.   Which of the following is not possible for a computer to do?

                           (i)  Sending emails                           (ii)  Typing letters


                         (iii)  Feeling happy                            (iv)  Solving sums

                      b.  Which of the following is the smallest computer?

                           (i)  Desktop                                  (ii)  Laptop

                         (iii)  Smartphone                               (iv)  Tablet

                      c.  Which of the following is the most powerful computers?

                           (i)  Laptop                                   (ii)  Supercomputers

                         (iii)  Tablet                                   (iv)  Desktop







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