Parsons, June Jamrich. New perspectives on computer concepts / by June Jamrich Parsons and Dan Oja. - 6th ed. - Boston : Thomson Course Technology, c2003. - xxiii, 728 p. : col. ill. ; 28 cm. Includes index. ISBN: 0619100052 LCCN: 2004559159 Subjects--Topical Terms: Computers.Electronic data processing. LC Class. No.: QA76 / .P356 2003 Dewey Class. No.: 004