O'Leary, Timothy J. <br/><br/>
Computing essentials 2015 complete edition / 
 Computing essentials 2015 :  making IT work for you 
Timothy O'Leary, Linda O'Leary and Daniel O'Leary 
 - 25th ed. 
 - New York :  McGraw-Hill,  2015 
 - xxii, 408 p. :  ill. ;  28 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780073516899 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Electronic data processing