Sawyer, Stacey C. <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/><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