O'Leary, Timothy J. <br/><br/>
Computing Essentials 2015 :  making IT work for you / 
Timothy J. O'Leary. 
 - xxii, 408p. ;  27cm. 
<br/><br/><label>ISBN: </label>9780073516899 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information technology--c2015--New York--pbk.