O'Leary, Timothy J.,  1947- <br/><br/>
Computing essentials 2004 / 
Timothy J. O'Leary, Linda I. O'Leary. 
 - Complete edition. 
 - xxviii, 467 pages :  colour illustrations ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0072519584  Hadiah 9780071198653 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing.