Basic computing concepts. 

 - National Computing Centre, 
 - Videocassette (VHS)(ca. 55 min.) : sd., col. 1/2 in. 
<br/><br/> 1. Master or slave, 2. Driving the computer, 3. introducing the computer. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Programmers.