Watson, David <br/><br/>
Cambridge IGCSE computer studies.  Revision guide / 
David Watson, Helen Williams 
 - Cambridge :  Cambridge University Press,  2012 
 - xiv, 251 p. :  ill. ;  28 cm. 
 - Completely Cambridge .
 - Completely Cambridge .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781107674196 1107674190 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science<br/>Computer science--Problems, exercises, etc.<br/>Computers and IT.