"An excellent, clearly written, comprehensive 'A' Level text, also useful for GNVQ and undergraduate IT." Roger Taylor, PGCE IT Coordinator, Brunel University. "The book is logical in its approach, is clear, concise and offers great examples and lots of diagrams ... suitable for teaching staff, parents and candidates for examination. An excellent and comprehensive text." IMIS Review, December 1998. "Brilliant text for all Level 3 programmes" Judith Tope, Dept of Computing, Salford College. "Has to be the best IT textbook I have read. Many thanks for a great book" St John Evans, Dept of IT, Stonar School, Melksham