The book focuses on digital media rather than the customary survey of applications software designed to process these media. In addition to teaching basic computer skills, the authors promote information fluency in which readers gain an understanding of the foundational concepts on which the technology is derived and develop higher-level intellectual capabilities for applying the technology. In the area of data communications and networks, the book has new material on DSL, cable (CATV) modems, and wireless LAN technologies. The book integrates the TCP/IP protocol model with the treatment of client/server applications. New chapters on data security and emerging technologies have been added. Topics include bioinformatics, nanotechnology, quantum computing, and intelligent software agents.
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