Williams, Brian K.,  <br/><br/>
Using information technology :  a practical introduction to computers and communications / 
by Brian K. Williams and Stacey C. Sawyer 
 - Fifth Edition 
 - New York :  McGraw-Hill Irwin,  2003 
 - xxix, 482 pages ;  27 cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0072485558 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Information Technology<br/>Telecommunications Systems
<br/><br/><label>LC Class. No.: </label>QA76.5 W55