
1) Class of computer
Found on
https://www.crosswordclues.com/clue/industrial-pc

An industrial PC is an x86 PC-based computing platform for industrial applications. == History == IBM released the 5531 Industrial Computer in 1984, arguably the first `industrial PC`. The IBM 7531, an industrial version of the IBM AT PC was released May 21, 1985. Industrial Computer Source first offered the 6531 Industrial Computer in 1985. Thi.....
Found on
http://en.wikipedia.org/wiki/Industrial_PC
No exact match found.