Shelly B., Gary. <br/><br/>
A record of discovery for exploring computers / 
Gary B. Shelly. 
 - 4th ed. 
 - Boston :  Course Technology,  c2002. 
 - viii. 192 p. ;  ill. :  28 cm. 
 - Shelly Cashman series .
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>078956372X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microcomputers