This indispensable CGP Workbook is packed with exam-style questions covering every topic on the Grade 9-1 OCR GCSE Computer Science course! It tests students on everything from basic definitions to the tricky 8-mark extended answers & there's plenty of practice at writing code & algorithms too (detailed answers are included at the back of the book) Matching study notes are available in CGP's GCSE Computer Science Revision Guide (9781782946021)