Page 108 - Computer Science Class 11 With Functions
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Case Based Questions


           1.  Each one of you must have seen a traffic light. It has three colours - red, amber, and green which indicate the passerby to
              stop, be ready, and go, respectively. While teaching problem-solving in class, the teacher assigns you the task - of creating
              an algorithm for crossing a traffic signal. Complete the assigned task.

         Ans.  Algorithm:
              while traffic signal is amber or red
                  Wait
              end-while
              Quickly cross the road
           2.  Surya is an entrepreneur. He is trying to get investments for his latest project. He has got a database of potential investors
              with their names and the maximum amount that they can invest. From that database, he wants his secretary to prepare
              a list of only those investors who can invest a minimum amount of 25 lakhs and are available for an appointment. If he
              gets an appointment, he will save the date to his calendar, otherwise, he will ignore the investor. For this, Surya wants
              to create a flowchart for his secretary, so that she has a clear idea about the entire process. Surya knows that once
              the process is understood, the secretary will be able to apply it to all the potential investors. Help Surya to complete
              his task.

         Ans.
                     Start



                 Pick up name of
                    investor



                      Is          Yes
                    amount                Add name to
                   > = 2500000              the list




                        No                    Is
                                          appointment   Yes  Save appointment
                                           date fixed             date

                                               No












                     Stop

                                             Process flow for handling an investor

           3.  Zaira is very fond of number games. Her teacher gave her a task to accept a number and display the following series till that
              number.
              1,    4,    9,    16,    25,   …,   n 2
              She wants to write a pseudocode and draw a flowchart to solve this problem. Help her complete the task.



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