O'Leary, Timothy J. <br/><br/>
Computing essentials / 
Timothy J. O'Leary, Linda I. O'Leary. 
 - Brief ed. 
 - Boston :  Irwin/McGraw-Hill,  c1998. 
 - 1v.  (various pagings) : chiefly col. ill. 
 - Annual editions: computing essentials, 1998/99 .
<br/><br/> Includes glossary and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic digital computers.