Williams, Brian K., <br/><br/>
Using information technology :  a practical introduction to computers and communications/ 
Brian K. Williams 
 - 9th  Edition 
 - New York :  McGraw-Hill,  2011. 
 - vii, 420 pages :  colored images, figures ;  28 cm. 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>9780071221283 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers. <br/>Telecommunication systems. <br/>Information technology.
<br/><br/><label>Dewey Class. No.: </label>004  / W670u