O'Leary,Timothy J. <br/><br/>
McGraw -Hill  Computing essentials. 

 - N.Y.:  McGraw-Hill,  19995. 
 - xx,283p.; 26cm 
<br/><br/>"N" 
<br/><br/><label>ISBN: </label>"0-07-049045-7" 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Computers 2. Electronic data processing
<br/><br/><label>Subjects--Index Terms: </label>"Y" 
<br/><br/><label>LC Class. No.: </label>QA76.5  / .O44