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C.  Write the names of these symbols.


                      1.                            ...........................   2.                   ...........................



                      3.                            ...........................   4.                   ...........................


                  D.  Short answer type questions.

                      1.  What is an algorithm?

                         .........................................................................................................................................................

                      2.  What do you mean by a flowchart?

                         .........................................................................................................................................................

                  E.  Long answer type questions.

                      1.  What is the use of the Process and Input/Output symbols in the flowcharts?

                         .........................................................................................................................................................

                         .........................................................................................................................................................

                      2.  Write an algorithm to check whether a given number is even or odd.

                         .........................................................................................................................................................


                         .........................................................................................................................................................

                         .........................................................................................................................................................

                                                    In the lab                                      Computational Thinking



                         Draw the flowcharts for the following:
                        1.  To start a computer.
                        2.  To calculate the area of a circle.

                        3.  To calculate simple interest.
                         Type the algorithm for the following in MS Word:
                        1.  To swap two numbers by using a temporary variable.

                        2.  To find the compound interest.
                        3.  To find the greater number among the two numbers A and B.



                   Teacher's Corner

                  1.  Discuss the use of all the symbols used in the flowchart with the students.
                  2.  Explain the history of algorithms by citing Al-Khwarizm’s initial work in this area.


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