This is a system which combines a complete computer and a matrix system within a transparent cube, and which is also equipped with a keyboard outside the cube. By virtue of its matrix system, all the points of the elements of the computer can be connected automatically to the oscilloscope, to one or more LEDs. This invention makes the teaching of computing and of electronics more concrete and thus more functional and efficacious. This invention is particularly intended for all training and research centres (national education, universities, private training centres and also businesses, etc.).
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