Units covered: Unit 1 – Communication and Employability Skills Unit 8 – Communication Technologies Unit 2 – Computer Systems Unit 15 – Organizational Systems Security Unit 3 – Information Systems Unit 18 – Principles of Software Design and Development Unit 7 – IT Systems Analysis and Design Unit 21 – Website Production and Management Written by an experienced tutor, each unit is illustrated with assessment activities, end-of-chapter questions, case studies and practical exercises. The result is a clear, straightforward textbook that encourages independent study and acts as a reference to various topics within the qualification.