Apollo Guidance Computer

One of the computers that put man on the moon

Nicknames
AGC
Announcement / Release
August 1966
Discontinuation
July 1975
Birth Place
Cambridge, Massachusetts, United States of America

About

The Apollo Guidance Computer was a digital computer produced for the Apollo program that was installed on board each Apollo Command Module and Lunar Module. The AGC provided computation and electronic interfaces for guidance, navigation, and control of the spacecraft. The AGC had a 16-bit word length, with 15 data bits and one parity bit. Most of the software on the AGC was stored in a special readonly memory known as core rope memory, fashioned by weaving wires through magnetic cores, though a small amount of read-write core memory was provided.Astronauts communicated with the AGC using a numeric display and keypad called the DSKY. The AGC and its DSKY user interface were developed in the early 1960s for the Apollo program by the MIT Instrumentation Laboratory (now known as the Draper Laboratory). The AGC is notable for being one of the first integrated circuit-based computers.

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