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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 type of computer is commonly used at homes, schools, and offices but

                             cannot be moved easily due to its size and weight?

                               (i)  Laptop                                   (ii)  Tablet

                             (iii)  Desktop computer                         (iv)  Smartphone

                          b.  Which device is bigger than a smartphone but smaller than a laptop?

                               (i)  Tablet                                   (ii)  Smartwatch

                             (iii)  Printer                                  (iv)  Desktop

                          c.  Which of the following tasks is NOT usually done using a computer at home?

                               (i)  Doing homework                           (ii)  Listening to songs

                             (iii)  Manufacturing goods                      (iv)  Online shopping

                       14   Computer Science-II

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