O'Leary, Timothy J.,  <br/><br/>
Computing essentials 2019 / 
Timothy J. O'Leary, Lindal I. O'Leary and Daniel A. O'Leary. 
 - New York :   McGraw-Hill Education,   c2019. 
 - xix, 392p.   color illustrations. 
<br/><br/>Includes index.  
<br/><br/>
<br/><br/><label>ISBN: </label>9781260098563 
<br/><br/><label>Subjects--Personal Names: </label><br/> Computers -- Electronic data processing.
<br/><br/><label>Dewey Class. No.: </label>004 O45 2019