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3                         Keyboard and Mouse














                                   Your Aim

                                   to learn about:

                                              Keyboard                   Mouse




                  The keyboard and mouse are input devices. These are used for performing various
                  functions.

                      KEYBOARD

                  A keyboard has 104 keys. You have already learnt that the keyboard has Alphabet

                  keys, Number keys and some Special keys. Let us learn about a few more keys on
                  the  keyboard.
                                      Number keys        Function keys      Backspace key


                                   Tab
                                    key

                                   Caps
                                    Lock




                                             Spacebar key       Alphabet keys        Arrow keys
                                                      Shift key                        Enter key
                  Alphabet Keys


                  We type letters, words and sentences with the help of alphabet keys. There are 26
                  alphabet keys on the keyboard.
                                 Q       W      E      R       T      Y      U      I       O      P


                                    A      S      D       F      G      H      J       K      L



                                      Z       X      C      V       B      N      M




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