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WalesComputer ScienceQuick questions
Unit 2 Practical Programming to Solve Problems
Quick questions on Practical programming to solve problems: the on-screen examination - WJEC A-Level Computer Science
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is testing systematically?Show answer
Only testing data you expect to work. A program that handles normal data but crashes on boundary or erroneous data is not robust. Always test all three categories.
What is only testing data you expect to work?Show answer
A program that handles normal data but crashes on boundary or erroneous data is not robust. Always test all three categories.
What is q1?Show answer
State the four stages of a sound approach to solving a programming problem. [4 marks]
What is q2?Show answer
Give one example each of normal, boundary and erroneous data for a percentage field accepting 0 to 100. [3 marks]
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