Booth, Dexter J. <br/><br/>
GCSE computer studies / 
Dexter J. Booth 
 - London :  Pitman,  1989 
 - x, 367 pages :  illustration ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0273030817 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic digital computers
<br/><br/><label>LC Class. No.: </label>QA76.5