Williams, Brian K.,  1938- <br/><br/>
Using information technology :  a practical introduction to computers & communications /  [book] 
Brian K. Williams, Stacey C. Sawyer 
 - 9th ed. 
 - Boston :  McGraw-Hill/Higher Education,  c2010. 
 - xxviii, 577 p. :  ill. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780071221399 0071221395 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Telecommunication Systems<br/>Information technology
<br/><br/><label>LC Class. No.: </label>QA76.5  / .W721 2010