Parsons, June Jamrich. <br/><br/>
Understanding computer concepts / 
June Jamrich Parsons and Dan Oja. 
 - Australia :  Cengage Learning Asia Pte Ltd,  2011. 
 - 372 pages :  Illustrations ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer system concepts.<br/>Computers.