O.Brien, James A.,  1936- <br/><br/>
The nature of computers :  with productivity software guides / 
James A. O'Brien. 
 - Fort Worth :  Dryden Press,  c1993. 
 - xxiii, 439 p. :  col. ill. ;  26 cm. 
 - Dryden Press series in information systems .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0155004891 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Electronic data processing.
<br/><br/><label>LC Class. No.: </label>QA76.5  / .O28 1993 
<br/><br/><label>Dewey Class. No.: </label>004