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Apollo Guidance Computer Trivia Questions

How much do you really know about Apollo Guidance Computer? Below are 8 true or false statements. Click each one to reveal the answer and explanation.

1.

The Apollo Guidance Computer had no hard drive or disk drive for storage.

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Easy
✓ TRUE

It used magnetic core memory for RAM and woven rope memory for permanent storage—no spinning disks or solid-state drives existed yet.

2.

Astronauts could type English commands directly into the Apollo Guidance Computer.

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Medium
✗ FALSE

The AGC used a numeric keypad called the DSKY; astronauts entered two-digit codes (verbs and nouns), not English words, to operate it.

3.

The Apollo Guidance Computer could automatically land the lunar module without astronaut input.

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Medium
✗ FALSE

The AGC provided guidance and navigation data, but astronauts manually piloted the final descent. Armstrong took over to avoid a boulder field during Apollo 11.

4.

The Apollo Guidance Computer’s software was written using a high-level programming language.

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Medium
✗ FALSE

AGC software was written in assembly language, directly controlling hardware. The code was woven into rope memory, earning the nickname 'LOL memory' for the women who did it.

5.

The Apollo Guidance Computer had less processing power than a modern digital watch.

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Medium
✓ TRUE

The AGC ran at 0.043 MHz with 2K of RAM, far weaker than even basic digital watches today, yet it safely guided astronauts to the Moon.

6.

During Apollo 11’s landing, the AGC nearly overloaded due to a radar error and triggered a 1202 alarm.

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Medium
✓ TRUE

The rendezvous radar was left on, flooding the computer with data. The 1202 alarm meant it was rebooting tasks, but it kept landing safely thanks to priority scheduling.

7.

The Apollo Guidance Computer could run multiple software programs simultaneously.

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Hard
✗ FALSE

The AGC had no multitasking OS; it ran one task at a time using a priority-based executive system, pausing low-priority jobs for critical ones.

8.

The Apollo Guidance Computer was the first computer to use silicon integrated circuits.

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Hard
✓ TRUE

NASA’s need for small, reliable chips pushed MIT to adopt silicon ICs from Fairchild, making the AGC a pioneer in integrated circuit usage.

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