Counter Controlled vs Sentinel Controlled Loops Quiz
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Questions and Answers

What is the purpose of using counter controlled repetition in this scenario?

  • To import the necessary Java utilities
  • To calculate the average mark for the test (correct)
  • To determine the range of grades from 0 to 100
  • To input the grades one at a time

    • What does the variable 'counter' represent in this context?

  • The average mark for the test
  • The number of students in the class
  • The total sum of all the grades entered
  • A variable used to specify the number of times a set of statements should execute (correct)

    • What is the role of the variable 'total' in the pseudocode and program?

  • To accumulate the sum of a series of values, in this case, the grades entered (correct)
  • To store the number of grades entered
  • To control the number of repetitions
  • To store the average mark for the test

    • What would happen if 'counter' exceeds 10 in the counter controlled repetition?

    <p>Repetition would terminate and stop inputting grades</p> Signup and view all the answers

    What is the purpose of using a sentinel controlled loop?

    <p>To use a specific value to terminate repetition</p> Signup and view all the answers

    What is used to calculate the average mark for the test in both pseudocode and program?

    <p>'total' divided by 10</p> Signup and view all the answers

    In a do-while loop, when is the test for continuation carried out?

    <p>At the end of each pass through the loop</p> Signup and view all the answers

    Which control structure guarantees that its statement will always be executed at least once?

    <p>do-while loop</p> Signup and view all the answers

    What happens if the control condition in a do-while loop is initially false?

    <p>The loop will execute once</p> Signup and view all the answers

    Which iteration control structure may never execute its statement?

    <p>while loop</p> Signup and view all the answers

    In a do-while loop, when does the evaluation of the control condition take place?

    <p>At the end of each pass through the loop</p> Signup and view all the answers

    Which control structure guarantees that it will execute one or more times?

    <p>do-while loop</p> Signup and view all the answers

    In a do-while loop, when is the test for continuation carried out?

    <p>At the end of each pass through the loop</p> Signup and view all the answers

    Which control structure guarantees that its statement will always be executed at least once?

    <p>do-while loop</p> Signup and view all the answers

    When does the evaluation of the control condition take place in a while loop?

    <p>Before any statements are executed in the loop</p> Signup and view all the answers

    What distinguishes a do-while loop from a while loop?

    <p>The position of control condition evaluation</p> Signup and view all the answers

    If 'counter' exceeds 10 in the counter controlled repetition, what would happen?

    <p>'counter' would stop executing the loop and exit</p> Signup and view all the answers

    Which flowchart symbol represents the test for continuation in a do-while loop?

    <p>A diamond-shaped box with 'yes' and 'no' branches</p> Signup and view all the answers

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