Bradley, Ray,  1951- <br/><br/>
Understanding computer science for advanced level /   
Ray Bradley. 
 - 3rd ed. 
 - Cheltenham :   Stanley Thornes,  1995. 
 - xxvi,709p. :   ill. ;  27cm. 
<br/><br/> Previous ed.: 1991. 
<br/><br/><label>ISBN: </label>0748719792 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science
<br/><br/><label>LC Class. No.: </label>QD502.5