Morley, Deborah. Understanding computers : today and tomorrow / Deborah Morley, Charles S. Parker. - 11th ed. - Boston, Mass : Thomson/Course Technology, 2007. - 703 p. : ill. ; 28 cm. "Comprehensive." ISBN: 9781418860547 Subjects--Topical Terms: Computers.Electronic minds Subjects--Index Terms: Storage and retrieval of information. Dewey Class. No.: 001.6404 / d u