O'Leary, Timothy J. <br/><br/>
Computing essentials 2019:  making IT work for you/ 
Timothy J. O'Leary, Linda I. O'Leary, Daniel A. O'Leary. 
 - New York:  McGraw Hill,  c2019. 
 - 392 p.:  ill.;  28 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>978-1-260-09856-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Electronic data processing.
<br/><br/><label>Dewey Class. No.: </label>GC 004 O999 2019