EDSAC runs its first program
6th May 1949
The Electronic Delay Storage Automatic Calculator (EDSAC) was the first practical stored-program computer to operate a regular computing service.
EDSAC was built by Maurice Wilkes at the University of Cambridge Mathematical Laboratory.
On 6th May 1949, EDSAC performed its first calculation, running a program written by Beatrice Worsley to calculate the squares of numbers.
J. Lyons & Co. Ltd., a British firm, helped fund the EDSAC project with a grant of £3000. In return, Lyons were given permission to build a copy once EDSAC was complete. The Lyons machine based on the EDSAC design, LEO I, was the first commercial computer.
EDSAC used the following components:
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