Introduction to computers and information systems / 
Robert A. Szymanski ... [et al.]. 
 - 2nd ed. 
 - New York :  Macmillan   c1991. 
 - xxix, 768 p. :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Electronic data processing.
<br/><br/><label>LC Class. No.: </label>QA76  / .I57 1991 
<br/><br/><label>Dewey Class. No.: </label>004