Each book is a concise yet definitive collection of key concepts, models, and equations in their respective domain, thoughtfully gathered for easy access. Computers, Software Engineering, and Digital Devices and logical checking of digital devices, displays, testing, software, and computers, presenting the basic concepts necessary to ensure a thorough understanding of each field. Each article defines terms, references and sources for more information. Includes job in the world's leading experts in their respective specialties, Computer, Software Engineering, and Digital Devices features the latest developments, a wide range of coverage, and new material on secure electronic commerce and parallel computing.