Hutchinson, Sarah E. <br/><br/>
Computers communications and information :  a users introduction / 
Sarah E. Hutchinson [and] Stacey C. Sawyer 
 - 7th ed. 
 - New Delhi :  Tata McGraw-Hill Education,  2000 
 - 1 v. (various pageings) ;  28 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication<br/>Digital communications
<br/><br/><label>Dewey Class. No.: </label>621.382