O'Leary Timothy J. <br/><br/>
Computers essentials. 

 - ed. 
 - New york :  McGarw-Hill,  1995-96. 
 - 281  p. :  ill ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>computers.