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REPRESENTING INFORMATION


                 Let us study about some of the ways in which we can represent information.

                                      Tables                                            Pictures
                                   SCHOOL TIME TABLE
                         PERIOD   1st 2nd 3rd 4th  R  5th 6th 7th 8th
                         DAY                  E
                         MONDAY
                         TUESDAY              C
                         WEDNESDAY            E
                         THURSDAY             S
                         FRIDAY
                         SATURDAY             S
                  We can represent information in the form of  We can represent information in the form of
                      tables. For example, class timetable.                  pictures, drawing and so on.
                                       Maps                                           Pictograms















                  We can represent information in the form of  We can represent information in the form of
                 maps. For example, maps helps us to give us            pictograms. For example, road signs.
                            the route and directions.



                        DECODING


                                                                                     Could  you  understand  what
                                                                      What have      Mr Grumpy wants to say? To
                                          8 5 12 12 15
                                                                       you said,
                                                                     Mr Grumpy?      understand what he said, we
                                                                                     have to decode the message.





                 Decoding is the process of converting a coded message into understandable language. Look
                 at these codes Grumpy has used to tell a secret message.


                    A     1       E     5        I     9       M     13       Q    17       U     21

                    B     2       F     6        J    10       N     14       R    18       V     22

                    C     3       G     7        K     11      O     15       S    19       W     23       Y    25

                    D     4       H     8        L    12       P     16       T    20       X     24       Z    26




                                                                                                  Data Processing  91
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