Norton, Peter,  <br/><br/>
Introduction to computers. 

 - 7th ed. 
 - New Delhi, India  McGraw Hill  2011 
 - xxix, 628 p.  ill. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780070671201 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Computers.  2. Computer software.
<br/><br/><label>Dewey Class. No.: </label>004 NOR