Shelly, Gary B. <br/><br/>
Computer concepts /  [Books]. 
Gary B. Shelly, Thomas J. Cashman and Gloria A. Waggoner.  
 - [Boston] :   Boyd & Fraser Publishing Company.,   1990. 
 - xiv,   illustration   
 - The Shelly and Cashman series.  .
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>9780878353569  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.