Book excerpt: Written by leading Computer Science teachers, this brand-new textbook will guide students through the updated OCR GCSE Computer Science specification topic by topic, and provide them with standalone recap and review sections, worked examples and clear explanations of complex topics. This Student Book:br” develops computational thinking skills in line with the new Practical Programming element of Component 02br” provides differentiated material with the 'beyond the spec' featurebr” includes standalone recap and review sections at the end of each chapterbr” includes answers to the Knowledge Check questions to support independent learningbr” provides definitions of technical terms, along with a glossary of words that will be needed for assessment. Looking for answers for the Student Book? They can be found at the back of the print textbook. You can now access a free set of practice questions on the Hodder Education website. Please note, these questions are not endorsed by OCR and have not been subject to any OCR quality assurance processes. George Rouse, Lorne Pearcey and Gavin Craddock are highly respected and widely published authors of resources.