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Discoverer of First Computer Charles Babbage. Known as one of the pioneers or inventors from the first computer. Charles Babbage is one of the world's scientists listed as the inventor of the First Computer, which has given much of his work to human life, especially the field of computers.

Charles Babbage

You probably meant invented, not discovered.

This is very hard to pinpoint and still is in discussion on who made the first real computer.

I would bet it was Alan Turing when he invented Enigma machine, which can be considered a model of a general purpose computer.