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The computer mouse was invented by Douglas Engelbart.
                    The first mouse  was a wooden mouse.






                 Right-click


                 Pressing and releasing the right button once is called right-click. It displays a list
                 of options of the selected item called a pop-up or shortcut menu.












                                                     click












                                          Right-click

                 Scroll                                                                               up

                 A computer mouse has a wheel in between the right button

                 and the left button. This is known as the scroll wheel.                           down

                 You need to place your index finger on the scroll wheel and
                 roll it upwards or downwards to move the page down or up.


                 Drag and Drop                                                                         Scroll Wheel

                 Drag means to move the mouse while keeping the mouse
                 button pressed. It is used to move an item to another location
                 on the computer.

                 Drop means to release the mouse button.






                                                                                             Computer Mouse      49
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