Validation and Verification Concepts
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Questions and Answers

What is the purpose of finding the average height of class fellows in Activity 1.2?

  • To find the average height of all students (correct)
  • To calculate the total height in the classroom
  • To determine the height of each student individually
  • To identify the tallest student in the class

    • What is a candidate solution?

  • The most efficient solution to a problem
  • A provisional solution based on immediate judgment (correct)
  • An approximate solution that is usually incorrect
  • The final and definitive answer to a problem

    • How can you find a student's height using a book as mentioned in the text?

  • By marking intervals on the wall using the book's height (correct)
  • By guessing the height visually
  • By measuring with a ruler
  • By comparing it to the teacher's height

    • In what scenario would you use a measuring tape as described in the text?

    <p>To record the height of each student</p> Signup and view all the answers

    When selecting the best solution, what does the text recommend when faced with multiple solutions?

    <p>Selecting the best solution among all available options</p> Signup and view all the answers

    What is one way to solve a search problem involving finding a particular name on a website?

    <p>Go through each name sequentially until found</p> Signup and view all the answers

    What is the role of an algorithm in problem solving?

    <p>Provides a step-by-step guide and a complete description of the solution</p> Signup and view all the answers

    How does a computer programmer typically approach problem-solving with algorithms?

    <p>By first writing an algorithm and then translating it into a programming language</p> Signup and view all the answers

    What does an algorithm do after taking an input in problem solving?

    <p>Processes the input and generates an output</p> Signup and view all the answers

    Why is it important to first write an algorithm before coding a program?

    <p>To have a clear step-by-step plan for solving the problem</p> Signup and view all the answers

    What does an algorithm provide to the problem solver?

    <p>A detailed guide to solve the problem</p> Signup and view all the answers

    How does an algorithm help in translating a problem into computer instructions?

    <p>By providing a structured set of steps for the translation process</p> Signup and view all the answers

    What does the 'Set' notation do in an algorithm?

    <p>Update the value of existing data</p> Signup and view all the answers

    When would the statements in the 'else' part of an algorithm be executed?

    <p>When a condition is evaluated as false</p> Signup and view all the answers

    What is the purpose of the 'Goto' notation in an algorithm?

    <p>Transfer control to a certain step</p> Signup and view all the answers

    What does the 'Output' notation do in an algorithm?

    <p>Display values</p> Signup and view all the answers

    Which notation marks the termination point of an algorithm?

    <p>'Stop'</p> Signup and view all the answers

    What is the purpose of the 'Start' notation in an algorithm?

    <p>Mark the starting point of an algorithm</p> Signup and view all the answers

    What operation is performed to calculate the remainder in the flowchart described?

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

    In the flowchart, what does a true value from the conditional operation indicate?

    <p>The number is even</p> Signup and view all the answers

    Which mathematical concept is utilized to find the area of a parallelogram?

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

    What is the purpose of the conditional operation in the flowchart?

    <p>To ascertain if a number is even</p> Signup and view all the answers

    What does the mod function help ascertain in the context of the flowchart?

    <p>Whether a number is even or odd</p> Signup and view all the answers

    Why is checking for divisibility by 2 important in the flowchart's conditional operation?

    <p>To establish if a number is even or odd</p> Signup and view all the answers

    What does validation mean in the context of calculating compound interest?

    <p>Ensuring the compound interest is correct</p> Signup and view all the answers

    In the pizza shop example, what does verification entail?

    <p>Confirming it is a chicken pizza</p> Signup and view all the answers

    What is the main purpose of validation in the algorithm scenario?

    <p>Ensuring the list is arranged in ascending order</p> Signup and view all the answers

    How is validation different from verification in the context of writing an algorithm?

    <p>Validation confirms the correctness of the list order, verification confirms if it displays numbers</p> Signup and view all the answers

    In the pizza example, what does validation entail?

    <p>Checking if the pizza is less spicy and tastes good</p> Signup and view all the answers

    Why is it important for an algorithm to pass both verification and validation tests?

    <p>To ensure it displays numbers and arranges them correctly</p> Signup and view all the answers

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