This printed student book offers comprehensive coverage of the mandatory units for the Cambridge Advanced National in Computing: Application Development (Certificate and Extended Certificate). Endorsed for Cambridge OCR's qualification and mapped to their specification, the book is designed to support students' learning of key concepts and information, while providing teachers with guidance on the depth of content they're required to teach. With features such as practice questions and contextual examples highlighting how concepts can be applied in the real-world, the book will engage students and help them build the skills and confidence needed to succeed in the qualification and beyond.