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    3.  Which of the following can be used to create a hidden message?

                                      a.  Symbol                                    b.  Number

                                      c.  Picture                                   d.  All of these

                      Q     Answer the following questions:
                        A
                            1.  What is information?

                            2.   While giving a presentation, Kristina represent some data in tabular format. Why do you
                               think she chose to represent the data in tabular format?

                            3.  Write any four ways in which information can be represented.

                            Scratch Your Brain.                                                     21 st  Century   #Information Literacy
                                                                                                        Skills

                            1.  If, in a secret message KING is written as IJLH then how can QUEEN be written?
                            2.  Competency-based/Application-based questions:

                                a.   Ahsan like to keep his books in alphabetical order on the bookshelf. According to you,
                                  what can be the reason for this?

                                b.  Poonam wrote a secret message in the form of symbols and numbers.
                                  What is this type of data called?

                              Explore in the Lab                                        21 st  Century   #Critical Thinking
                                                                                            Skills
                                                                                                #Technology Literacy
                     To
                     Subject   Enhancing Presentation Skills

                       Analyse the following data:
                       1.  Ravi got 67% marks.
                       2.  Kiran got 92% marks.
                       3.  Ahad got 89% marks.
                       4.  Jasmine got 72% marks.
                       Arrange this data in a tabular format in Excel.

                     For The Teacher

                        Explain the concept of information processing to students.
                         Demonstrate an example other than the one used in the book to explain the concept of secret message to
                       students.

                                                                                                     Data Processing   107

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