How is the use of computers in architectural design different from the use of computers in organization, and what are the fundamental distinctions between the two?

The question at hand is about the exact difference between computer design and computer organisation.

How was telephone interface technology designed in early 1900's to suit the process being undertaken using the technology available at the time? Was there any evidence that an attempt was made to understand how human cognition and behaviour might influence the design of that technology?

In our opinion, Flynn's taxonomy needs to be expanded by one more level in order to be fully functional. What are some of the qualities that distinguish more advanced computers distinct from their counterparts that have a lower level of sophistication?