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    APPENDIX

                                                               ANSWERS

                                                                Chapter 2

                      Check Your Knowledge (Page 16)

                      A.  Answer the following questions:

                            1.   (a)    Algorithm:  Algorithm is process  of writing  all  the  steps  required  to solve  a
                                       particular problem. These steps are written in English language to describe each
                                       statement.
                                 (b)    Flowchart: Flowchart is pictorial representation of steps involved in solution of a
                                       problem.

                            2.   We require coding to solve real world problems like creating games, developing software,
                                 creating websites etc.
                            3.   Various symbols used in development of flowcharts are:

                                    START /        INPUT /         PROCESS       DECISION        FLOW      CONNECTOR
                                      STOP         OUTPUT                            BOX         LINE

                            4.   Difference between flowchart and algorithm:

                                                 Algorithm                                 Flowchart

                                  Includes  sequence of steps which  An  information diagram made  up  of
                                  depicts the procedure of the solution. different shapes shows the data flow.

                                  Steps are used                           Symbols are used
                            5.   Advantages of flowchart are:

                                 1.    Improves communication
                                 2.    Provides visual clarity

                      B.  Fill in the blanks.

                            1. Flowchart    2. Visual Clarity, problem solving   3. symbols      4. Coding

                    80                         KVS DELHI REGION 2025

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