Introduction to Computers/  English. 
Peter Norton. 
 - 6th Ed. 
 - New Delhi:  Tata McGraw-Hill Education Private. Ltd,  2006. 
 - xxv, 609p.:  ill;  28cm. 
<br/><br/><label>ISBN: </label>9780070593749 
<br/><br/><label>Dewey Class. No.: </label>681.14  / NOR