Class XI Computer Science Chapter 4: Elements of Data Processing Exercise Questions
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Questions and Answers

What is the first main step in the preparation of a computer program?

  • Analyzing the problem
  • Debugging and testing
  • Coding
  • Defining the program (correct)

    • Which of the following is NOT a property of an algorithm?

  • Definite
  • Probabilistic (correct)
  • Finite
  • Precise

    • Which step involves creating a visual representation of the algorithm's logic using symbols and arrows?

  • Debugging and testing
  • Analyzing the Problem
  • Flowcharting (correct)
  • Coding

    • What is the purpose of the 'Processing the Problem' step in the preparation of a computer program?

    <p>To execute the coded program and process input data</p> Signup and view all the answers

    Which of the following is the last main step in the preparation of a computer program?

    <p>Final Output</p> Signup and view all the answers

    What is the purpose of the 'Debugging and Testing' step in the preparation of a computer program?

    <p>To identify and fix errors in the code and ensure the program functions correctly</p> Signup and view all the answers

    What symbol in a flowchart represents a decision point where the flow branches based on a condition?

    <p>Diamond</p> Signup and view all the answers

    Which symbol in a flowchart is used for connecting different parts of the flowchart that may be on different pages or sections?

    <p>Circle</p> Signup and view all the answers

    What is the main purpose of debugging in software development?

    <p>Identifying and fixing specific issues or errors in the code</p> Signup and view all the answers

    Which method helps in discovering possible issues before an application goes live?

    <p>Manual Testing</p> Signup and view all the answers

    What does a parallelogram symbol represent in a flowchart?

    <p>Data entry or output</p> Signup and view all the answers

    In software development, what does Automation Testing primarily focus on?

    <p>Automating the debugging process</p> Signup and view all the answers

    Which of the following is NOT a characteristic of an algorithm?

    <p>Ambiguity</p> Signup and view all the answers

    What is the primary purpose of a flowchart?

    <p>To visually represent the sequence of steps and decision points</p> Signup and view all the answers

    Which of the following symbols is used to represent a decision point or branching in a flowchart?

    <p>Diamond</p> Signup and view all the answers

    What is the significance of the 'Efficiency' characteristic of an algorithm?

    <p>It refers to the algorithm's ability to achieve its objectives using minimal resources</p> Signup and view all the answers

    Which of the following statements about the 'Completeness' characteristic of an algorithm is correct?

    <p>It guarantees that the algorithm produces a result for every valid input within its problem domain</p> Signup and view all the answers

    Which of the following flowchart symbols is typically used to represent the start or end of a process?

    <p>Oval</p> Signup and view all the answers

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