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    A mouse and a keyboard are the important parts of a computer. A mouse
                      is an input device, used to select an object on the monitor. When we move a

                      mouse, an arrow-like pointer displayed on the monitor also moves. First, let us
                      learn about the mouse.

                                TYPES OF MOUSE

                      The different types of the computer mouse are:

                      OPTICAL MOUSE

                      An optical mouse is the most commonly used mouse. It uses
                      laser light to help in moving the pointer on the screen.

                                           GAMING MOUSE

                                           A gaming mouse is generally used to play games. It is similar

                                           to a scroll mouse but works much faster.

                      WIRELESS MOUSE

                      A wireless mouse connects to the computer without a wire. It is also
                      known as a  cordless  mouse. It uses  wireless technology  to  send

                      signals to the computer and helps it work.

                                ACTIONS OF A MOUSE

                      A mouse is used to perform various actions.

                      SINGLE-CLICK OR LEFT-CLICK

                      To left-click a mouse, press the left mouse

                      button  once and then release it.  Doing this
                      makes a clicking sound. This action is called                  Click

                      clicking and it is done to select an item on the
                      screen.

                       34   Computer Science-II

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