This key facts covers Types of Test Data within Testing for GCSE Computer Science. Revise Testing in 3.2 Programming for GCSE Computer Science with 15 exam-style questions and 8 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 2 of 7 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Types of Test Data
| Type | Description | Example (Age 18-65) |
|---|---|---|
| Normal | Typical expected data | 25, 40, 50 |
| Boundary | Values at the edges of valid range | 17, 18, 65, 66 |
| Erroneous | Invalid data that should be rejected | -5, "abc", 200 |
Practice questions for Testing
A program accepts scores between 0 and 100. Which value is an example of erroneous test data?
Explain what a logic error is and give one reason why it is harder to find than a syntax error.