9th Class Computers Science Programming Concepts Question Bank

done Algorithms and Flowcharts in Programming Total Questions - 20

• question_answer1)
  A _____ is a type of diagram that represents an algorithm or process by showing the steps as boxes of different types in a particular sequence connected with directional arrows.
  A)
  Pie chart   done clear
  B)
                     Flowchart done clear
  C)
  Algorithm                       done clear
  D)
  Data chart done clear
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• question_answer2)
  The efficiency of an algorithm in terms of its memory requirements is measured by _______.
  A)
  The maximum memory needed by the algorithm done clear
  B)
  The minimum memory needed by the algorithm done clear
  C)
  The primary memory needed to load the algorithm   done clear
  D)
  The maximum disk space needed by the algorithm done clear
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• question_answer3)
  For which of the purpose a parallelogram is used in a flowchart?
  A)
  To denote the step in which data is stored.  done clear
  B)
  To denote a step in which decision has to be made. done clear
  C)
  To show a step that cannot be resolved. done clear
  D)
  To show input or output. done clear
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• question_answer4)
    The following statements are examples of_______.   
  A)
  Assignment statements done clear
  B)
  Declaration statements done clear
  C)
  Input statements done clear
  D)
  Output statements done clear
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• question_answer5)
  To allow operations to be repeated a fixed number of time or until some condition is met, we use the _______ structure.
  A)
  Selection            done clear
  B)
  Loop done clear
  C)
  Sequential          done clear
  D)
  Simple done clear
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• question_answer6)
  It is a program planning tool allowing Programmers to plan program logic by writing program instructions in a language, like English, which can be easily converted into real programming statements without using symbols. Identify it.
  A)
  Pseudocode       done clear
  B)
  Flowchart done clear
  C)
  High level program          done clear
  D)
  Assembly language program. done clear
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• question_answer7)
  Which of the following symbols indicates a subroutine/procedure that is completely described in a separate flowchart segment?
  A)
     done clear
  B)
    done clear
  C)
         done clear
  D)
    done clear
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• question_answer8)
  A flowchart using symbols displays the______ to be performed and the______ in which they occur.
  A)
  Sequence, program                     done clear
  B)
  Decisions, flow done clear
  C)
  Operations, sequence                   done clear
  D)
  Program, operations done clear
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• question_answer9)
  The symbol displayed in the given flowchart is called a/an ___________.   
  A)
  On page connector          done clear
  B)
  Off page connector done clear
  C)
  Terminal symbol done clear
  D)
  Decision symbol done clear
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• question_answer10)

  Which of the following statements hold(s) true about manually drawn flowchart?

  Statement 1: They provide better communication because even the non-programmers can understand the logic of program.

  Statement 2: They can be modified frequently as per the requirement if there is any change.

  A)
  Only Statement 1                       done clear
  B)
  Only Statement 2 done clear
  C)
  Both Statement 1 and Statement 2 done clear
  D)
  Neither Statement 1 nor Statement 2 done clear
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• question_answer11)
    The arrows displayed here is used for______ in a flowchart.
  A)
  Representing direction and sequence of processes. done clear
  B)
  Asking questions and then determines which route the program will take  done clear
  C)
  Representing input into the program or output from the program done clear
  D)
  Representing an action taken by the program. done clear
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• question_answer12)
  Which of the following statements is INCORRECT in case of a flowchart?
  A)
  Program flowcharts serves as a good program documentation and can be used for various purposes. done clear
  B)
  Maintaining and operating program becomes easy with a flowchart. It helps the programmer to put efforts more efficiently. done clear
  C)
  Any symbol can be used as a part of the flowchart - as desired by the creator of the flowchart. done clear
  D)
  Flowcharts acts as a reference during system analysis and program development phase. done clear
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• question_answer13)
  While writing an algorithm, instructions are written from ______.
  A)
  Top to Bottom done clear
  B)
         Left to Right done clear
  C)
  Right to Left                   done clear
  D)
  It depends on the author of the algorithm done clear
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• question_answer14)
  An algorithm is _______.
  A)
  Collection of symbols used to design a flowchart done clear
  B)
  A self-contained step-by-step set of operations to be performed in the given sequence done clear
  C)
  A set of instruction to be followed before choosing a programming language. done clear
  D)
  A help guide that instructs how to use a software. done clear
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• question_answer15)
  Jayant is drawing a flowchart in which he has to show a step which needs to be calculated manually. Which of the following shapes will he select for that step?
  A)
           done clear
  B)
    done clear
  C)
  done clear
  D)
           done clear
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• question_answer16)
  Given here is an algorithm to swap two numbers. Which of the following line will replace "?" to complete the algorithm?

  Step 1: Read two numbers X and Y.

  Step 2: ?

  Step 3: Y = X - Y

  Step 4: X = X - Y

   
  A)
  \[X=X+Y\] done clear
  B)
  \[X=X\times Y\] done clear
  C)
  \[X=X/Y\] done clear
  D)
  \[X=X-Y\] done clear
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• question_answer17)
  What would be the result upon executing the steps shown in the given flowchart. if 4 is entered for P?
  A)
  6                      done clear
  B)
         10 done clear
  C)
  8                      done clear
  D)
  12 done clear
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• question_answer18)
  If N = 5, then the output generated by the given flowchart is _______.   
  A)
  Product of three numbers done clear
  B)
  Sum of three numbers done clear
  C)
  Table of 5          done clear
  D)
  None of these done clear
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• question_answer19)
  Predict the output of the given flowchart.   
  A)
  18                     done clear
  B)
  20 done clear
  C)
  22                     done clear
  D)
  Loop will run infinitely done clear
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• question_answer20)
  The given flowchart has been drawn to calculate the area of rectangle. But, for one of the steps an incorrect shape is used. Identify it.                      
  A)
  Step 1   done clear
  B)
  Step 2 done clear
  C)
  Step 3   done clear
  D)
  Step 4 done clear
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