Subject level: AS and A Level Computer Science Exam board: OCR Concise, clear layout for every part of the OCR Computer Science H046/H446 specification Described as their "bible", this approachable AS and A-Level textbook has become the first-choice recommendation for teachers and schools delivering the OCR A Level specification. It covers everything in the complete Computer Science A Level. The book is divided into twelve sections and within each section, each chapter covers material that can comfortably be absorbed in one or two lessons. Material that is applicable only to the second year of the full A Level is clearly marked. Sometimes this may include an entire chapter and at other times, just a small part of a chapter. Clarity is crucial. This book is laid out in a single column format with clear illustrations to keep you focussed on exactly what you need to know without missing anything. No page clutter here! The specification has been closely followed in bite-sized chapters with exam style questions on each topic to test your understanding every step of the way. Past exam questions are essential to good preparation, improving understanding and confidence. This book has combined real OCR questions with a selection of new questions and exercises. All the essential ingredients for getting a grade you can be really proud of. Questions on all topics assessing knowledge, application and analysis are all specifically and carefully devised throughout this book.Note: The questions and exercises in the book are frequently set by teachers for homework. For this reason, answers to all of the questions in the book are available free to teachers only viathe PG Online website. Students who require the answers are able to contact their teachers. PG Online are multi-award-winning specialists in Computer Science with decades of teaching, examining and design experience. Features:Endorsed by OCR examinations Follows the specification, point by point A-Level-only content is clearly marked Clear layout with illustrated examples Comprehensive index containing all of the key specification points Written by Heathcote and Heathcote

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