This was widely done with tube computers in the 1950s. The first commercial computer, Univac, was introduced in 1951.

Medical imaging gone except for maybe the x-ray.

The first commercial CT scanner in the 1970s used a Data General Nova minicomputer, which used small-scale integrated circuit logic chips, but did not include a microprocessor.

Behind the scenes all kinds of process control would disappear ...

The early PDP-8 minicomputers introduced in 1965 used discrete transitors, no integrated circuits. They were used in industrial control applications.