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Exercise



                                                        Section A (Objective)

                  A. Tick ( ) the correct option.

                     1.   What type of sensor does an optical mouse use to help the pointer move on the
                         screen?

                         a. LED sensor                                      b. Laser sensor

                         c. A red light                                     d. A green Light


                     2.  Which button of the mouse is used to click and select items on the screen?

                            a. Right button                                 b. Scroll wheel

                         c. Middle button                                   d. Left button


                     3.  What is the wheel in the middle of the mouse used for?

                         a. Clicking items                                  b. To move the page up or down

                         c. Moving the pointer                              d. To move objects


                     4.  What happens when you press and release the right button on the mouse once?

                         a. It makes a sound


                         b. It shows a list of options called a pop-up menu

                         c. It turns on the computer

                         d. It selects an item


                  B.  Fill in the blanks using the words given below.


                                          Hints: Double-click, Index, Palm, Ball, Pointer


                     1.  Mouse displays an arrow on the screen known as                                 .


                     2.  A                       mouse has a hard rubber ball in it.


                     3.   To hold the mouse, we have to place our                                 on the top of the
                         mouse.


                     4.  You have to place your                           finger on the left button of the mouse.






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