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Double-Click

                 To double-click,  move the               Click Click

                 pointer to any object. Press and
                 release left mouse button two
                 times quickly. The  program

                 opens.





                                                              Right-Click
                            Click
                                                              To right click, move the pointer and click right

                                                              button of the mouse once. It opens a menu of the
                                                              properties of the selected item.






                 Scroll

                 To scroll, place the  index  finger  on
                 the scroll wheel and roll it. It moves a
                 page up and down.





                                   release                             Drag
                  press      move                                      To drag move the mouse while keeping

                                                                       the  left  button  pressed.  It  is  used  to
                                                                       move an item to another location on the
                                                                       screen.



                           Interdisciplinary Learning

                           #Maths


                   1.  Type the following sums on the computer. Use Number keys and Shift key.
                           4 + 3         =                         10 – 2       =

                           160 + 45      =                         500 – 255    =

                   2.   Now, solve these sums using the calculator app on your computer and
                       type the correct answers in place of the dashes.

                                                                                                         #Lab Activity



                                                                                         The Keyboard and the Mouse  37
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