Morley, Deborah. Understanding computers : today and tomorrow / Deborah Morley, Charles S. Parker. - 14th ed. - Boston, MA : Course Technology, Cengage Learning, c2012. - 1 v. (various pagings) : col. ill. ; 28 cm. "Comprehensive." Includes index. ISBN: 9781133190035 1133190030 LCCN: 2009-942947 Subjects--Topical Terms: Computers.Electronic data processing. LC Class. No.: QA76.5 / .P318 2012