Williams, Brian K., <br/><br/>
Using information technology :  a practical introduction to computers & communications / 
Brian K. Williams, Stacey C. Sawyer 
 - 7th ed 
 - Boston :  McGraw-Hill Irwin,  c2007 
 - xxiv, 554, 12 p. :  ill. (chiefly col.), col. maps ;  28 cm 
<br/><br/>Includes bibliographical references (p. 541-552) and index 
<br/><br/><label>ISBN: </label>9780390806499 9780072260717 0071107681 (pbk.) 9780071107686 (pbk.) 
<br/><br/><label>LCCN: </label>2005058404 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Telecommunication systems<br/>Information technology
<br/><br/><label>LC Class. No.: </label>QA76.5  / .S2193 2007 QA76.5  / .S2193 2007 
<br/><br/><label>Dewey Class. No.: </label>004