This revision guide covers all the key material and learning objectives from the OCR Computing A Level unit F452, including concise and beautiful pages the detail the key concepts from: 1. Designing Solutions to Problems 2. The Structure of Procedural Problems 3. Data Types and Data Structures 4. Common Facilities of Procedural Languages 5. Writing Maintainable Programs 6. Testing and Running a Solution This guide is written and designed by a practicing Computer Science teacher who actually delivers this material to students regularly. So, you know, it should be half decent at least tl;dr revision guides are designed to teach you all the important concepts as quickly as possible. So, if you just want the key stuff, want to be one step ahead of your teacher or maybe you just 'forgot' to revise until the last minute: these are for you.