Fundamentals of computing M205 Block 1: First steps units 3, 4 & 5  [Books]. 
the course team, Open University. 
 - Milton Keynes  The Open University  1988 
 - Pages: 28 
<br/><br/><label>ISBN: </label>0335143172  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Computers.
<br/><br/><label>Dewey Class. No.: </label>QA/76.9  / COU