Well, the kind of computer you have in mind used to be electronic computer to distinguish it from a computer or calculator which described a human being who computed. See, for instance, Nevil Shute's biography Slide Rule in which he describes being in charge of a department of calculators when working on the R100.
It's a fascinating read. You can get it from Anna's Archive.
It's a fascinating read. You can get it from Anna's Archive.