Long, Larry E. <br/><br/>
Introduction to computers and information systems / 
Larry Long. 
 - 4th ed. 
 - Englewood Cliffs, N.J. :  Prentice Hall,  1994. 
 - xxvi, 462 p. 
<br/><br/><label>ISBN: </label>0134978846 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic digital computers.<br/>Electronic data processing.