Haag, Stephen.,  <br/><br/>
Computing concepts 

 - second edition 
 - xxiii, 428 pages :   illustrations ;   27 cm 
<br/><br/><label>ISBN: </label>0072830816 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing.
<br/><br/><label>Dewey Class. No.: </label>004