Short for Electronic Delay Storage Automatic Calculator, EDSAC is an early British computer considered to be the first stored program electronic computer. It was created at the University of Cambridge in England, performed its first calculation on May 6, 1949, and was the computer that ran the first graphical computer game, nicknamed "Baby." In the picture to the right, is an example of the EDSAC computer.
In the picture below, is an example of the Edsac simulator that can be run on today's computers. The simulator simulates the EDSAC computer as it existed between 1949-1951.