
"The diagram ... was drawn by Dr. Robert M.
Metcalfe in 1976 to present Ethernet ... to the National Computer
Conference in June of that year. On the drawing are the original
terms for describing Ethernet. Since then other terms have come
into usage among Ethernet enthusiasts."
Just as a reminder: in 1976, INTEL had just
developed the 8080, which was running at an unbelievable speed of
4.77 MHz !!!