I was interested in personal computers and then I discovered pre-microprocessor computers. This has got some wild solutions like rod cell memory. A physical ci

I was interested in personal computers and then I discovered pre-microprocessor computers. This has got some wild solutions like rod cell memory. A physical circuit board represent a record of database entry. To program the database one would wrap a copper wire around a rod. The rod would represent a field in a record of the database. I think. https://www.computerhistory.org/revolution/memory-storage/8/264/1116 https://www.computerhistory.org/revolution/memory-storage/8/... https://www.computerhistory.org/revolution/memory-storage/8/264 https://www.computerhistory.org/revolution/memory-storage/8/...