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Column Chart: It is usually used to display the
                                                                      data in the form of vertical bars. It is used to
                                                                      show the changes in data over a period of time
                                                                      or  for  comparison  among  the  different  data
                                                                      items.  The  categories  are  represented  on  the
                                                                      horizontal axis, and the values are represented
                                                                      on the vertical axis.









                  Pie Chart: It is a circular chart divided into sectors where
                  each sector shows the relative size of each value. It always
                  shows only one data series. It is useful when you want to
                  put emphasis on a significant element.








                                                                      Bar Chart: The bar chart displays the data in
                                                                      the  form  of  long  rectangular  rods,  also  called
                                                                      bars. These bars can be placed horizontally on
                                                                      the  chart  area.  It  illustrates  the  comparisons
                                                                      among  the  individual  items.  In  this  chart,
                                                                      categories are represented on the vertical axis
                                                                      and  values  are  represented  on  the  horizontal
                                                                      axis.









                  Area Chart: It is used to display the quantitative
                  magnitude of the data graphically. These charts
                  are  based  on  the  features  of  the  line  chart.
                  They basically emphasise the area between the
                  line  and  the  axis  with  the  help  of  the  colours,
                  textures, pictures, etc.










                      40     Computer Genius (V2.1)-VI
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