I believe the biggest source of emissions for nuclear actually come from the construction phase,
While construction would be huge for emissions, I would guess the most emissions would come from the mining, transport, refinement, and disposal efforts for the fuel on an ongoing basis.
You say that until you think back and TCP/IP wasn’t a native protocol so you had to use and configure something like Trumpet Winsock for your SLIP or PPP connection. Dark days, man.