Discovering computers : your interactive guide to the digital world : complete / 
Gary B. Shelly ... [et al.] 
 -  Course Technology Cengage Learning  2012 
<br/><br/>19822 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers
<br/><br/><label>LC Class. No.: </label>QA76.5  / Dis