An industrial chemical reactor's safety system validates the target pressure setpoint entered by an operator. The system only accepts an integer pressure value from 120 to 250 kPa inclusive.
Complete the test plan below by identifying appropriate values or descriptions for [A], [B], and [C].
| Test data (Target pressure in kPa) | Type of test | Expected output |
|---|---|---|
| [A] | Normal | VALID |
| 120 | [B] | VALID |
| [C] | Erroneous | INVALID |
Practise OCR GCSE Computer Science Testing with exam-style questions for GCSE Computer Science. 21 questions, matched to the OCR GCSE Computer Science (J277) specification and written in Component 01 and Component 02 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.