Ceres 1: 5.25 in (13.3 cm)
Ceres 3: 3.5 in (8.9 cm)
|Operating system||Oberon System|
|Memory||2 MB DRAM + 256 KB video RAM|
|Dimensions||18.5 in × 7.5 in × 14.5 in (47 cm × 19 cm × 37 cm)|
The Ceres Workstation was a workstation computer built by Niklaus Wirth's group at ETH Zurich in 1987.The central processing unit (CPU) is a National Semiconductor NS32000, and the operating system, named Oberon System is written fully in the object-oriented programming language Oberon. It is an early example of an operating system using basic object-oriented principles and garbage collection on the system level and a document centered approach for the user interface (UI), as envisaged later with OpenDoc. Ceres was a follow-up project to the Lilith workstation, based on AMD bit slicing technology and the programming language Modula-2.
On the same hardware, Clemens Szyperski implemented as part of his Doctor of Philosophy (PhD) thesis an operating system named ETHOS, which takes full advantage of object-oriented technologies. A Usenet posting by Szyperski says that Oberon/F, which was later renamed to BlackBox Component Builder, incorporates ETHOS ideas and principles.