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Did Apollo 11 have computers on board, and if so what kind of computers were they and how big were they?

Yes, both the ship and lander had small, special purpose computers. I don't know how large they were but I remember seeing a web page in which hobbyists were building duplicates, complete with the actual software used in the real computers. IIRC they fitted the whole thing into a vairly small space, like an end table. The specs of the computers did not amount to much, but you need to remember that all of the real number crunching was done on mainframes on Earth, and the results radioed up to the astronauts, who input them manually through a device called the DSKY or "disky". It is short for Display/Keyboard, and you are looking at a descendant of it right now!

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15y ago

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