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Shift Key

                  Shift key is used with other keys for different purposes. If you press and hold the

                  Shift key along with an Alphabet key, it will type that letter in capital even when
                  the Caps Lock is turned off. It is also used to type the symbols present on the
                  Number keys.

                                                               B                          b
                                                  B
                                 Shift        +          →



                                                             Caps Lock is OFF           Caps Lock is ON
                  Ctrl and Alt Key
                                                                                                 Ctrl
                  Ctrl key is used with another key to perform a particular task.

                  For example, to move the cursor to the top of a document press Ctrl + Home keys.


                  Alt key is also used in combinational keys to perform a particular task.                   Alt

                  For example, to close any program press Alt + F4 keys.
                  Symbol Keys

                  These keys have special signs  and symbols. Some  symbol                      ?        :       “
                  keys are to the right of the Alphabet keys such as: /, <, >, {, [             /        ;       ‘
                  etc. They have two symbols on them.
                                                                                                    <       >
                  Some symbols  are  also placed over the numbers on the
                                                                                                     ,       .
                  number keys such as: !, @, #, $, %, *, etc. These symbols can
                                                                                                    Symbol keys
                  be typed using the Shift key.

                                                                               !
                                                                !
                                        Shift
                                                         +  1           →



                      FUNCTIONS OF MOUSE

                                                                                click
                  A mouse helps us point, click, and move things
                  on the computer screen easily. Let us study the

                  various functions of a mouse.
                  Single-click or Click


                  Pressing and  releasing  the  left  button  of  the
                  mouse once is called single-click. Single-click
                  is used for selecting an item.                                    Single-click


                   28       Modular (Ver. 2.1)-II
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