Willuiams, Brian K. <br/><br/>
Using information technology : a practical introduction to computers & communications / 

 - Complete version, Ninth edition 
 - N.Y.   McGraw-Hill,   c2011. 
 - xxviii,   577 p. : col. ill. ;   28 cm. 
<br/><br/>Includes bibliographical references & index.<br/> 
<br/><br/><label>ISBN: </label>9780071221399 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Computers. <br/>2. Telecommunications systems. <br/>3. Information Technology.
<br/><br/><label>Dewey Class. No.: </label>Circ. 004 W721u 2011