The series covers new developments in computer technology. Most chapters present an overview of a current subfield within computers, with many citations, and often include new developments in the field by the authors of the individual chapters. Topics include hardware, software, theoretical underpinnings of computing, and novel applications of computers. This current volume includes six chapters on hardware development in the educational market, intelligent search strategies, domain specific languages and trustworthiness and risks in computer technology. The book series is a valuable addition to university courses that emphasize the topics under discussion in that particular volume as well as belonging on the bookshelf of industrial practitioners who need to implement many of the technologies that are described. This volume includes: trustworthiness and risks in computer technology; K-12 educational use of inexpensive handheld devices; and domain specific languages.