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Question 14

An automated safety monitoring system for a chemical processing plant accepts vessel pressure readings from 120 kPa to 155 kPa inclusive. The system outputs "SAFE" if the pressure is within this valid range, and "WARNING" if it is not.

The monitoring algorithm is verified using various types of test data.

Complete the table below by providing one suitable example of test data (Pressure) for each specified type of test.

Test data (Pressure)Type of testExpected output
Normal"SAFE"
Boundary"SAFE"
Erroneous"WARNING"
[3]
Markscheme

Testing Questions

  1. GCSE
  2. /Computer Science
  3. /Testing

21 exam-style questions on OCR GCSE Computer Science Testing. Each one has a worked solution and a mark scheme showing where the marks go.

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