Garry, B. Sheely  <br/><br/>
Essential computer concepts 

 - 2nd ed. 
 - Danvers, Massachusetts  : Boyd & Fraser,  1993. 
 - Various pages  : ill. ;   27cm. 
 - Shelly cashman series .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0-87709-097-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic digital computers
<br/><br/><label>LC Class. No.: </label>COM QA76.5.E87