Leon, Alexis. <br/><br/>
Introduction to computers / 
Alexis Leon, Mathews Leon.  
 - Manila, Philippines :  Rex Book Store,  c1999. 
 - xxxvi, [450] pages :  black and white illustrations,  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>971233886X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic digital computers.<br/>Electronic data processing.<br/>Programming languages (Electronic computers).
<br/><br/><label>Dewey Class. No.: </label>CIR 004 L579 1999