½ about programming & Dr.Racket
½ about the history and culture of computing.
*Look at the longer notes – and the links.
Gears, Pins & Electricity:
All machines before this time period represented numbers by marks on clays,
beads…all things that can change and be captured by the human eye.
All machines before this time required a lot of human coordination.
There was a huge world event that the governments would spend money on
research against computers, this even was WW2. Computers would be useful
during war times by cracking codes and also for artillery- to see where the
projectiles would land.
Programmable or electronic:
Zuse Z1- German program
Information could be stored in something