Computing

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Data validation

In this lesson, we will develop our understanding of data validation by applying data validation through iteration.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What will be the output when this program is executed?

1/3

Q2.When using the range() function. What is the first parameter used for? e.g. range(1, 11, 2)

2/3

Q3.When using the range() function. What is the second parameter used for? e.g. range(1, 11, 2)

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What will be the output when this program is executed?

1/3

Q2.When using the range() function. What is the first parameter used for? e.g. range(1, 11, 2)

2/3

Q3.When using the range() function. What is the second parameter used for? e.g. range(1, 11, 2)

3/3

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Data Validation

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.If the following code was used as a validation check on, how many times could a user enter incorrect data before the program had a runtime error?

1/3

Q2.A user is asked to enter a number between 1 and 20. They enter 21. What type of validation error would this cause?

2/3

Q3.The following code is used as a validation check to ensure that a whole number is entered. On which line will the loop terminate?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Data Validation

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.If the following code was used as a validation check on, how many times could a user enter incorrect data before the program had a runtime error?

1/3

Q2.A user is asked to enter a number between 1 and 20. They enter 21. What type of validation error would this cause?

2/3

Q3.The following code is used as a validation check to ensure that a whole number is entered. On which line will the loop terminate?

3/3

Lesson summary: Data validation

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Time to move!

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Climb stairs

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Dance

The next lesson in:
Programming 3: Iteration
is:
Pseudocode

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