Concepts and facilities  [videorecording] 

 - 2 videocassettes (U-matic) (20 min.each) :  sd., col., ;  3/4 in. +  1  personal reference guide. +  1 text book 
 - Fundamentals of OS / VS [videorecording] .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer programming.