Clifford, Sarah Hutchinson. <br/><br/>
Computer essentials / 
Sarah E. Hutchinson, Stacey C. Sawyer. 
 - Burr Ridge, Ill. :  Irwin,  c1994. 
 - 1 v. (various pagings) :  ill. ;  28 cm. 
 - Irwin advantage series for computer education .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0256152594 
<br/><br/><label>LCCN: </label>94181407  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.
<br/><br/><label>LC Class. No.: </label>QA76.5  / .H86 1994 
<br/><br/><label>Dewey Class. No.: </label>004