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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.


                                                         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.


                                                                         !
                                                          !
                                  Shift
                                                   +  1           →





                FUNCTIONS OF MOUSE
                                                                       click
            Let  us study  about  various  functions  of  a
            mouse.
            Single-click or Click


            Pressing and  releasing the left button
            of mouse  once is  called  single-click.

            Single-click is used for selecting an item.
                                                                          Single-click





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