Williams, Brian K. <br/><br/>
Using information technology :  a practical introduction to computers & communications : Complete version / 
Brian K. Williams, Stacey C. Sawyer 
 - 9th ed. 
 - New York, NY :  McGraw-Hill,  c2011 
 - xxviii, 577 p. :  col. ill. ;  29 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780073516776 (alk. paper) 0073516775 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Telecommunication systems<br/>Information technology