| Subject | English | German |
| microel. | master computer | Leitrechner (zentraler Rechner) |
| commun. | master computer | Führungsrechner |
| tech. | master computer | Leitrechner |
| IT | master computer | Hauptrechner |
| comp., MS | master computer | Mastercomputer (A fully-assembled computer containing a master installation) |
| tech. | master computer | Hauptcomputer |
| microel. | master computer | übergeordneter Rechner |
| gen. | master computer | Hauptrechner im Verbund |