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Take Off                                                        Century   #Critical Thinking
                                                                                               21 st
                                                                                               Skills
                    Find and count the number of computer keyboards and mouse.























                           Computer Keyboard                                               Computer Mouse






              As  you  know  keyboard  and  mouse  are input  devices  of  a computer. They  tell  the
              computer what to do.

              Let us learn more about them.


                    KEYBOARD


              A keyboard has 104 keys. We type using these keys. Look at different keys of a keyboard.


                                                          Number keys


                                                       Backspace key        Delete key


















                                   Spacebar key      Alphabet keys       Arrow keys       Enter keys

                  Alphabet Keys: These keys are  used to type letters, words and sentences. There are
                 26 alphabet keys on the keyboard.



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