Nagpal, D.P. <br/><br/>
Computer fundamentals  concepts, systems and applications  

 - 1 
 - New Delhi  S.Chand & Company Ltd.  1999 
 - 514 
<br/><br/><label>LC Class. No.: </label>004  / NAG/COM 
<br/><br/><label>Dewey Class. No.: </label>004  / NAG/COM