Web Reference: Learn about and revise producing robust programs with this BBC Bitesize GCSE Computer Science OCR study guide. This document discusses ways to produce robust programs, including: - Input validation such as type, range, format and length checks to ensure valid user input. Exam paper questions organised by topic and difficulty. Our worksheets cover all topics from GCSE, IGCSE and A Level courses. Give them a try and see how you do!
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