USING information technology  a practical introduction to computers & communications : brief version 
Stacey C. Sawyer...[et al]., 
 - 2nd ed. 
 - Chicago  Irwin  c1997. 
 - xxx, 330 p.  col. ill.  28 cm 
<br/><br/>Includes bibliographical references (p. 320-322) and index. 
<br/><br/><label>ISBN: </label>0256209804 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ANS,DNS,DIP,BIP,QIP,DIS<br/>Computers.<br/>Information technology.<br/>Telecommunication systems.