O'Leary, Timothy J. <br/><br/>
Computing essentials/ 
Timothy J. O'Leary, Linda I. O'Leary 
 - complete edition 
 - Boston:  McGraw-Hill/Irwin,  c2007. 
 - xxvi, 532 pages:  color illustrations;  27 cm. 
<br/><br/> Includes glossary and index. 
<br/><br/><label>ISBN: </label>978-0-07-351667-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Electronic data processing
<br/><br/><label>Dewey Class. No.: </label>DC 044  / Ol1c