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 (D)</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 (B)</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 (C)</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 (B)</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 (A)</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 (B)</p> Signup and view all the answers

Which iteration control structure may never execute its statement?

<p>while loop (B)</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 (D)</p> Signup and view all the answers

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

<p>do-while loop (D)</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 (A)</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 (A)</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 (C)</p> Signup and view all the answers

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

<p>The position of control condition evaluation (C)</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 (A)</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 (B)</p> Signup and view all the answers

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Related Documents

Week 4 Do While.pdf

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