O'leary, Timothy J.,  <br/><br/>
Computing essentials :   complete edition 

 - xix, 509 pages :   illustrations ;   28 cm 
<br/><br/><label>ISBN: </label>0072836075 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing.
<br/><br/><label>Dewey Class. No.: </label>004