Sawyer, Stacey C. <br/><br/>
Using information technology :  a practical introduction to computer & communications / 
Stacey C. Sawyer, Brian K. Williams 
 - Introductory version  Fourth edition 
 - xxiv, 328 pages :  illustrations 
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<br/><br/><label>ISBN: </label>0072398752 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Telecommunication system<br/>Information technology
<br/><br/><label>Dewey Class. No.: </label>004