Victoria Ellis & Sarah Lawrey 
Cambridge International AS & A Level IT Coursebook Revised Edition Digital Edition 

Developed by an experienced author and examiner team and written for the international learner, this digital edition of the coursebook provides a clear and comprehensive guide to assist students as they develop their theoretical and practical IT skills. It contains worked examples and detailed explanations of theoretical and practical concepts which are reinforced with exercises and discussion point activities. Practical tasks are offered throughout the resource, to help students build and develop their practical knowledge. Answers are at the back of the resource.