TY - BOOK AU - O'Leary,Timothy J. AU - O'Leary,Linda I. AU - O'Leary,Daniel A. TI - Computing essentials: making IT work for you : introductory 2015 T2 - The O'Leary series SN - 9781259253638 (paperback) U1 - 004 PY - 2015///] CY - New York, NY PB - McGraw-Hill Education KW - Computers KW - Electronic data processing KW - Application software KW - Systems software N1 - Includes indexes ER -