Morley, Deborah Understanding computers : today and tomorrow : comprehensive / Deborah Morley, Charles S. Parker - 12th ed. , international student ed. - Australia : Course Technology, Cengage Learning, c2009 - 719 p. : col. ill. Includes bibliographical references and index ISBN: 9781603340120 Subjects--Topical Terms: ComputersElectronic data processing LC Class. No.: QA76.5 / M674U 2009