Using Information Technology  A practical Introduction to computers and communications: complete version  Book 
Williams, Brian K and Sawyer, Stacey C. 
 - 9th edition 
 - New York  McGraw-Hill  2011 
 - xxviii,; 577 Pages  Includes; Col. ill, Index, Bib   27.5cm 
<br/><br/> Its a book about computers, telecommunication systems, information technology at the introductory level mainly.  
<br/><br/><label>ISBN: </label>13:978-0-07-351677-6 
<br/><br/><label>Dewey Class. No.: </label>004 WIL