Morley, Deborah. Understanding computers : today and tomorrow / Deborah Morley and Charles S. Parker. - 15th edition - Australia : Course Technology/Cengage Learning, c2015. - xvi, 391 pages: Color illustrations; 28 cm. Includes index. ISBN: 13:978-1-285-76730-7 10:1-285-76730-6 Subjects--Topical Terms: Computers. Electronic data processing. Dewey Class. No.: DC 004 / M82u