O'Leary, Timothy J.,  1947- <br/><br/>
Computing essentials  

 - Introductory 2015 edition. 
 - pages cm. 
 - The O'Leary series .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781259253638 1259253635 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Electronic data processing.<br/>Computers<br/>computers.<br/>Computers.<br/>Electronic data processing.
<br/><br/><label>Dewey Class. No.: </label>004 TIM