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

 - Third edition 
 - Boston:   Irwin/ McGraw-Hill Companies, Inc.   c1999. 
 - xxii,   345 p. ;   27 cm. 
<br/><br/>Includes index.<br/> 
<br/><br/><label>ISBN: </label>0256261474 
<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 Sa87w 1999