O'Leary, Timothy J. <br/><br/>
Computing essentials /  making IT work for you 
Timothy J. O'Leary, Linda I O' Leary 
 - New York  Mc Graw-Hill  2014 
 - xxvii, 438p.  ill.  28 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9780073516868  RM420.42 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Electronic data processing