Sumner, Mary <br/><br/>
Computers concepts and uses / 
Mary 
 - 2nd ed 
 - New Jersey :  Prentice-Hall,  1988 
 - 632 p. :  ill 
<br/><br/><label>ISBN: </label>0131634461 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Electronic data processing
<br/><br/><label>LC Class. No.: </label>QA76.5  / S955 C6 1988