Competent authors, updated. Perfect sense pedagogy and didactics. Results of these qualifications: book excellently structured. It presents historical events with absolute precision and well illustrated with detailed references and absolutely reliable when supported by capable and experienced organizations with a history and tradition in the development and application of information technology. Complete the table had enough indication to supplement the knowledge and understanding of IT motivating the reader to develop in bibliographic searches and experiments in laboratories.Excellent book should be read and studied by all who want to know broadly Computer Science and / or deepen professionally and / or scientifically.Read, study and include in your library.President of a IT College. PhD in Computer Science