Test Data Selection (6 marks)
Describe three types of test data and explain why each is important in software testing. Use examples to illustrate your points.
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2.3 – Producing Robust Programs
Identifying Errors (3 marks)
(a) Define a syntax error in programming. (1 mark) (b) Define a logic error in programming. (1 mark) (c) Provide an example of a logic error that could occur in a program that calculates the average of a list of numbers. (1 mark)
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Understanding the Purpose and Types of Testing (2 marks)
Explain the difference between iterative testing and final testing in the context of software development.
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Types of Input Validation (3 marks)
Describe three different types of input validation, explaining how each one works. Provide an example for each type.
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Validation and Sanitisation (4 marks)
Explain the difference between input validation and data sanitisation. Why is each process important in protecting a software system? Give an example of each.
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Maintainability – Indentation (1 mark)
Why is indentation important in writing code?
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Maintainability – Naming Conventions (2 marks)
Explain the importance of using consistent naming conventions in programming. Provide an example of a good naming convention.
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Maintainability – Commenting (2 marks)
Explain why commenting within code is essential practice.
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Maintainability – Use of Subprograms (3 marks)
Explain how using subprograms can improve the maintainability of a software project.
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Input Validation (2 marks)
What is input validation, and why is it important in software development? Provide one example.
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