The Manchester Baby was the world’s first computer to successfully run a program from memory (just 1 kilobit). Built by University of Manchester scientists in 1948, it was a testbed for RAM and a showcase of the von Neumann architecture that paved the way for modern computing.
The program itself contained 17 instructions and performed about 3.5 million operations in 52 minutes which was fast for its time.
(h/t Hackaday)
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