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Machine                 Input                 Process                 Output
                                                                         Purifies Water          Clean Drinking

                                                                                                     Water







                             Water purifier

                                                   Dirty Clothes        Washing Clothes








                           Washing machine




                                                                                                   21 st   #Technology Literacy
                    Let's exPLore                                                               Century   #Creativity
                                                                                                  Skills
                       Find out about other input and output devices besides the ones given in the
                      chapter. Try to collect their pictures. Paste them in your notebook.


                                                                                            21 st
                    Let's get Better                                                      Century   #Leadership & Responsibility
                                                                                            Skills
                       Always clean the keyboard, mouse and monitor to remove dust, bacteria, and
                      germs.




                                                                                            21 st
                      teCh PraCtiCe                                                       Century   #Information Literacy
                                                                                           Skills
                     1.   Go to your computer lab. Observe the devices that are used for input,
                         process, output and storage.

                     2.  Request your teacher to explain the working of these devices.






                                                        For The Teacher


                        Take the students to the computer lab and show them the various devices used.
                        Explain the working of each device.

                        Tell them how important each device is and that we should handle the devices carefully.
                        Explain the working of a computer with the help of IPO cycle.



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