Williams, Brian K. <br/><br/>
Using information technology :  a practical introduction to computers & communications / 
Brian K. williams, Stacey C. Sawyer, Sarah E. Hutchinson. 
 - Chicago :  Irwin,  c1995. 
 - 1 v. (various pagings) : col. 
<br/><br/> Includes appendix and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Telecommunication system<br/>Information technology