AQA (8525) Archives - Page 13 of 18

Testing: Boundary Data (2 marks)

What is meant by ‘boundary data’ when testing a program, and why is it important to use this type of test data?

Define the term ‘testing’ in the context of computer programming.

In the context of secure programming, why is it important to validate data before processing it?

Describe a situation where a range check would be important in a program and how it could be implemented.

List two types of data validation checks that could be used to verify user input for a new password.

Explain what is meant by data validation.

Write a pseudocode subroutine that takes an integer as a parameter, doubles it if it is even, and returns the result.

Describe the structured programming approach and its advantages.

Explain why it is considered good practice to use local variables in subroutines.