Basic computing concepts  master or slave? 

 - [Manchester, Eng.]  National Computer Centre  [N.D.] 
 - 1 videocassette (Beta) (20 min.)  col.;  1/2 in 
<br/><br/>Credits : Written by J. Mike Eaton ; designed by Penley Edwards ; directed by James W. Goulding 
<br/><br/>
<br/><br/><br/>Summary : Discusses and shows faults in computers, errors in the program, errors in input data which cause errors in output data 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer programs--Quality control