Block 3 Computing  Living with technology 

 - Walton  Open university  1991 
 - 39p.  23cm 
<br/><br/><label>ISBN: </label>0749261226 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science<br/>Data processing
<br/><br/><label>Dewey Class. No.: </label>004  / OPE