Shelly, Gary B. <br/><br/>
Discovering computers 2011 :  living in a digital world : complete / 
Gary B. Shelly, Misty E. Vermaat 
 - Int. ed. 
 - Boston, MA :  Course Technology, Cengage Learning,  2011 
 - xxiv, 830, 20, 44 p. :  ill. (chiefly col.) ;  28 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781439081181 1439081182 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Computer science<br/>Computer networks