Margaret Hamilton died aged 90 after leading Apollo software development
Margaret Hamilton, who directed the software engineering division for NASA's Apollo program, has died at the age of 90.

Her role in lunar missions
Hamilton led the team that built the Apollo Guidance Computer. This system allowed astronauts to navigate spacecraft without using joysticks. Her work made it possible for Neil Armstrong and others to reach the moon.
The computer technology used
The resulting device was the first based on silicon-integrated circuits. It featured a keypad similar to a calculator known as DSKY. This hardware is now found in everyday electronic devices like smartphones.
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