What if the first electronic computers had gone differently?

Room-sized machines of vacuum tubes do in seconds what took teams of humans weeks.

If it had gone differently: Calculation stays the work of human "computers" with desk machines; the information age has no engine to run on.

The real history on Wikipedia ↗

Later turning points that leaned on the first electronic computers. Change it in the game and the ripples reach all of these.

1. 1947The transistor. Without it, Computers stay room-sized, rare and institutional; there is no personal, portable, cheap electronics.