Lawrey, Sarah, <br/><br/>
OCR AS/a-level computer science.  computer systems /  1 :  Workbook. 
Sarah Lawrey. 
 - 1 online resource (49 pages) 
<br/><br/><label>ISBN: </label>9781510481770 (e-book) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science--Examinations, questions, etc.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.