This textbook introduces students to computers in the context of society and the importance of learning about computers and related technologies, as well as types of computer systems and their components, the principles underlying how they work, their practical applications, how the world is being changed by them, and associated risks and other implications. It addresses the internet, security, privacy, ethics, intellectual property rights, computers and health, access to technology, environmental concerns, and emerging technologies. This edition has new video podcasts, networking technologies, and security precautions and risks; new hardware and software developments, mobile applications, and web and career applications; updated expert insight articles by guest authors from various companies; more emphasis on mobile computing and the impact of social networks; and new and updated content on the companion website. Annotation ©2014 Book News, Inc., Portland, OR (booknews.com) Read Less