Lesson details

Key learning points

  1. In this lesson, we will learn what a trace table is and how to use one. Trace tables help check logic errors in a program and help us learn how to read and follow programs.

Licence

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3 Questions

Q1.
What will be the output of this program if the user enter's Hedy when prompted?
An image in a quiz
Correct answer: Hello Hedy
There is an error in the program
Try again Hedy
Try again Hedy, Hello, Hedy
Q2.
What will be the output of this program if the user enter's Rebecca when prompted?
An image in a quiz
Hello Hedy
There is an error in the program
Correct answer: Try again Hedy
Try again Hedy, Hello, Hedy
Q3.
True or False: A while loop isn’t constantly evaluating the condition. It executes the entire sequence within the loop before re-evaluating the condition.
False
Correct answer: True

3 Questions

Q1.
Complete the sentence. A while loop is an example of ...
Correct answer: Iteration
Selection
Sequence
Subroutines
Q2.
What will be output on the screen when this program is executed?
An image in a quiz
3,2,1
Correct answer: 3,2,1,0
4,3,2,1
There is an error in the program
Q3.
Which line of code in the program below contains a condition?
An image in a quiz
1
Correct answer: 2
3
4
5

Lesson appears in

UnitComputing / Programming 3: Iteration

Computing