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Small Scale Experimental Machine (SSEM)

Small Scale Experimental Machine, also known as SSEM, was the world’s very first stored-program computer, nicknamed “Baby”. It was a predecessor of Manchester Mark 1 which led to Ferranti Mark 1, the world’s first commercially available general-purpose computer.

The following image shows the SSEM CRT display:


It is very simple computer, which can run only 7 instructions.

SSEM for emuStudio

In emuStudio, SSEM computer is composed of a compiler, memory, CRT display and CPU. Abstract schema follows:

Abstract schema of SSEM

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