Written by experienced teachers and examiners of CIE syllabuses in IGCSE Computer Studies (0420), O Level Computer Studies (7010) and IGCSE Information Technology (0418), this book offers valuable, practical support for students. It includes questions and tasks throughout to reinforce learning, and a selection of past-examination questions to help students develop and practise their examination techniques. The authors have also included useful guidance on dealing with coursework tasks and practical assessments.