Long, Larry. <br/><br/>
Introduction to computers and information systems / 
Larry Long. 
 - 4th edition. 
 - Englewood Cliffs, N.J. :  London :  Prentice Hall ;  Prentice-Hall International,  1994 
 - xxxi,462,6,14,9p.  25cm. 
<br/><br/> Previous ed.: 1991. 
<br/><br/><label>ISBN: </label>0134978846 
<br/><br/><label>LCCN: </label>93034287 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science<br/>Electronic data processing<br/>Electronic digital computers