jul 11, 1948 - First Computer Program

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First Computer Program to Run on a Computer

University of Manchester researchers Frederic Williams, Tom Kilburn, and Geoff Toothill develop the Small-Scale Experimental Machine (SSEM), better known as the Manchester "Baby." The Baby was built to test a new memory technology developed by Williams and Kilburn -- soon known as the Williams Tube – which was the first electronic random access memory for computers. The first program, consisting of seventeen instructions and written by Kilburn, ran on June 21st, 1948. This was the first program to ever run on an electronic stored-program computer.

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