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    21 st
                                                                                                   Century   #Technology Literacy
                                                                                                     Skills

                            Open Drawing and draw Abacus in it.

                            Open Writer and type the names of different calculating devices and their

                           inventors and save the file as `Evolution of Computers’.

                                           Calculating Device             Inventor
                                       •  Analytical Engine               Charles Babbage

                                       •  Leibniz Step Reckoner           Gottfried Wilhelm Leibniz
                                       •  Tabulating Machine              Herman Hollerith
                                       •  Pascaline Adding Machine        Blaise Pascal

                        1. Demonstrate the Abacus and its use to the students.
                        2. Discuss the great breakthroughs which took place in each generation of computers.

                     20     Premium Edition-V

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