The Apollo 11 mission's computers were less powerful than today's mobile phones By Brian Burke on July 15, "It's absolutely amazing that the computers used to guide the Apollo 11 mission to the moon were no more powerful than a pocket calculator or a mobile phone."
"Apollo was a major software project. Astronauts used the Apollo Guidance Computer, placed in both the command module & the lunar module, for navigation assistance & to control the spacecraft, & someone needed to program it. The software for the guidance computer was written by a team at the MIT Instrumentation Laboratory, headed up by Margaret Hamilton. Here's a picture of her next to the code she and her colleagues wrote for the Apollo 11 guidance computer that made the moon landing…
Apollo 11 Launch - The Apollo 11 Saturn V space vehicle climbs toward orbit on July 16, 1969, bearing astronauts Neil A. Armstrong, Michael Collins, and Edwin E. Aldrin, Jr. Armstrong and Aldrin would make history as the first men on the moon,
Apollo 11 Liftoff and Flag - A Saturn V rocket launches the Apollo 11 crew on the first moon landing mission on July 16, 1969 in this image framed by an American flag. Four days later, Apollo 11 astronauts Neil Armstrong and Buzz Aldrin landed on the moon while crewmate Michael Collins orbited above.