Leach, Donald P. ; malvino, A.P <br/><br/>
Digital Princples and Applications 

 - 7th ed. 
 - New Delhi  TMH  2011 
 - xxi, 632 p. 
<br/><br/><label>ISBN: </label> RS 399.00 
<br/><br/><label>Dewey Class. No.: </label>621.38159 LEA,D P