Open University TM222 <br/><br/>
The Digital computer : an inter-faculty second level course : unit 7-8. Principles of input  [Books]. 
output operations / Open University. 
 - Milton Keynes  Open University Press  1983 
 - Pages: 88 
<br/><br/><label>ISBN: </label>0335171184  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Electronic digital computers.