Shelly,Gary B. Discovering computers complete: your interactive guide to the digital world / - Boston, MA: Course Technology Cengage Learning, c2012. - xxiv, 830p. :col. photos & ill. ; 28cm. - . Includes cypendix & index. ISBN: 9781111530327 Subjects--Topical Terms: 1. Computers.2. Computer science.3. Computer network. Dewey Class. No.: Circ. 004.2 S545d 2012