Hi, these notes are up to date for the 2025 and 2026 Computer Science OCR A Level exams, under H446 specification.
1.1: The characteristics of contemporary processor, input, output and storage devices
1.2: Software and Software Development
1.4: Data types, data structures, algorithms
1.5: Legal, moral, cultural and ethical issues
2.1: Elements of computational thinking
2.2: Problem solving and programming
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Yellow Boxes
Yellow callout boxes are for Key definitions/flashcard content. They have a question and a sentence. They are limited to one sentence.
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Red boxes
A red callout box is for practice questions or exam-style questions. For example, ‘Explain the difference between RAM and ROM’
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Brown Boxes
Brown Boxes are for Tips and Quick Summaries to put in your notes, or your head!
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