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How many keys are there on a keyboard?



                                                                                      21 st
                                                                                    Century   #Initiative
                                                                                      Skills
                       “Working on the computer for long hours is not good for your health.
                       Always take breaks at regular intervals while working on the computer.”



                  CPU


                  The CPU is the most important part of a computer.
                  It is also known as the brain of a computer. The CPU
                  box/cabinet contains the Central Processing Unit

                  or, CPU.



                               MOUSE                                                       CPU      CPU box/cabinet

                               A computer mouse is called so because it is shaped like a mouse.

                               The cable attached to it looks like its tail. It has two buttons and a
                               scroll wheel between these buttons.



                                                Name any two parts of a computer.


                                                1.                           2.






                                                                                                      PURE
                          In 1833, Charles Babbage laid the foundation of all the parts that
                          are now used in modern computers.                                           FACT




                            ADDITIONAL PARTS OF A COMPUTER


                  Let us learn about some additional parts of a computer.


                  SPEAKERS


                  Speakers  are attached  to  a computer.  You  can listen  to
                  sounds and music on it.




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