Written for the OCR A/AS Level Computer Science specifications for first teaching from 2015, this print student book and Digital Student Book help students build their knowledge and master underlying computing principles and concepts. This resource develops computational thinking, programming and problem-solving skills. Suitable for all abilities, it puts computing into context and gives students a real-life view on professional applications of computing skills. Digital Student Books contain rich digital content such as animated tutorials. Answers to end-of-chapter questions are located in the free online teacher's resource.