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PURE         The first ever laptop  was introduced  in 1982.  It was encased  in a
                       FACT        magnesium case.



                  TABLET


                  A tablet is smaller than a laptop. It has a touchscreen
                  display. Just like a laptop, it runs on a battery that can
                  be charged.


                                                                                                      Tablet
                                SMARTPHONE

                                A smartphone is a mobile phone with the features of a computer.
                                It can be carried easily in our pocket.




                  SUPERCOMPUTER

                  Supercomputers are very powerful computers

                  designed to solve complex  calculations. They are used
                  in specialised  fields, such as weather forecasting,

                  scientific research, rocket science, and  aircrafts.
                  They use a lot of power and take up a lot of space.





                         Hashtag

                       #Touchscreen: A screen which 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.

                    ▶   Desktop, laptop, tablet, smartphone and supercomputer are different types of
                        computers.
                    ▶   Computers work on electricity unlike human beings.

                    ▶   Computers are of different types and various sizes.






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