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Let’s catch up

                     Fill in the missing letters to complete the names of the keys.

                     1.  C    P      L      C                          2.     H I          K      Y


                     3.     R     O            E    S                  4.  S     M         L           YS




                         MOUSE


                  Mouse is an input device that helps us to tell the computer what

                  to do. It  also helps us to select icons on the monitor. It is used to

                  play games and draw pictures.

                       Types of Computer Mouse

                  All computer mouse look same, but they are of different types. The different types

                  of mouse are given below:


                                          Optical Mouse

                                          An optical  mouse is the most  popular type  of mouse.  It
                                          has an LED sensor at its bottom that helps the pointer on

                                          the screen to move. If you pick up the mouse, you will see a
                    Optical Mouse
                                          red-light glow under it.


                  Wireless Mouse

                  A wireless mouse has no wire. It runs on batteries. It is also an
                  optical mouse.
                                                                                                    Wireless Mouse
                       Parts of A Mouse

                  A computer mouse has three main parts:

                                              Scroll wheel


                                                                                 Right button
                                            Left button








                                                            Parts of Mouse

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