Watson, David <br/><br/>
IGCSE Computer Studies 
David Watson and Helen Williams 
 - India  Cambridge University Press  2012 
 - 251 p.  ill.;  27cm 
 - Revision Guide .
<br/><br/> Includes sample exam paper, answers to questions and Index 
<br/><br/><label>ISBN: </label>9781107674196 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital computer systems--IGCSE or O level computer studies guidance<br/>DTK,ANS,DNS,DIP,DIS<br/>Electronic digital computers