Parker, Charles S. <br/><br/>
Understanding computers and information processing :  today and tomorrow / 
Charles S. Parker. 
 - 3rd ed. 
 - Chicago :  The Dryden Preess,  c1990 
 - 623 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0030309123 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic digital computer<br/>Electronic data processing
<br/><br/><label>Dewey Class. No.: </label>004  / P238U 1990