Source 1  Computing essentials 
series editor Don Cassel 
 - Singapore  Prentice Hall  1993 
 - i, 119p.  ill. ;26cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9813026154  RM92.12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers