O'Leary, Timothy J., 1947- Computing essentials : making it work for you, complete 2015 \ Timothy J. O'Leary, Linda I. O'Leary, Daniel O'Leary. - International student ed. - New York : McGraw-Hill, 2015. - xxii, 408 p. : coll. ill.; 27 cm. - The O'Leary series . Includes index. Includes index. ISBN: 1259251616 (alk. paper) 9781259251610 (alk. paper) Subjects--Topical Terms: Computers.Electronic data processing. Dewey Class. No.: 004