O'Leary, Timothy J.,  1947- <br/><br/>
Computing essentials, 1999-2000 / 
 Computing essentials 
Timothy J. O'Leary, Linda I. O'Leary. 
 - Brief ed. 
 - Boston :  Irwin  McGraw-Hill,  1999. 
 - xvi, (various pagings) :  col. ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0073655554 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing.
<br/><br/><label>Dewey Class. No.: </label>004