Apollo Guidance Computer
E254491
The Apollo Guidance Computer was a pioneering onboard digital computer developed by MIT that provided real-time navigation and control for NASA’s Apollo spacecraft during lunar missions.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Apollo Guidance Computer canonical | 6 |
| Apollo Guidance, Navigation, and Control system | 1 |
| Apollo spacecraft guidance, navigation, and control system | 1 |
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
avionics system
ⓘ
digital computer ⓘ embedded system ⓘ onboard computer ⓘ |
| architecture | 16-bit word length ⓘ |
| clockFrequency | approximately 1.024 MHz ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| developer |
Draper Laboratory
ⓘ
surface form:
MIT Instrumentation Laboratory
Massachusetts Institute of Technology ⓘ |
| erasableMemorySize | 2 kilowords ⓘ |
| firstCrewedUse | Apollo 7 ⓘ |
| fixedMemorySize | 36 kilowords ⓘ |
| inputDevice |
DSKY interface
ⓘ
numeric keypad ⓘ |
| instructionSetSize | 34 instructions ⓘ |
| introduced | 1960s ⓘ |
| legacy |
influenced real-time operating system design
ⓘ
pioneered modern fly-by-wire avionics ⓘ |
| logicFamily | RTL integrated circuits ⓘ |
| mainMemoryType |
core rope memory
ⓘ
magnetic core memory ⓘ |
| manufacturer |
Raytheon Company
ⓘ
surface form:
Raytheon
|
| mass | about 32 kilograms ⓘ |
| notableCapability |
asynchronous executive
ⓘ
priority-based task scheduling ⓘ real-time multitasking ⓘ |
| notableEvent |
1201 program alarm during Apollo 11 landing
ⓘ
1202 program alarm during Apollo 11 landing ⓘ |
| notableMission |
Apollo 11
ⓘ
Apollo 13 ⓘ |
| notableSoftware | Apollo Guidance Software ⓘ |
| notableSoftwareEngineer | Margaret Hamilton ⓘ |
| numberOfICs | approximately 5000 integrated circuits ⓘ |
| operator | NASA ⓘ |
| outputDevice | DSKY display ⓘ |
| powerConsumption | approximately 70 watts ⓘ |
| program | Apollo program ⓘ |
| programmingLanguage |
Assembly language
ⓘ
surface form:
AGC assembly language
HAL/S precursor concepts ⓘ |
| reliabilityFeature | redundant logic design in some subsystems ⓘ |
| safetyFeature | program alarms for overload conditions ⓘ |
| status | retired ⓘ |
| technologyNode | integrated circuits ⓘ |
| usedFor |
control of Apollo spacecraft
ⓘ
guidance ⓘ lunar mission navigation ⓘ real-time navigation ⓘ |
| usedIn |
Apollo command and service module
ⓘ
surface form:
Apollo Command Module
Apollo Lunar Module ⓘ |
| wordLength | 15 data bits plus 1 parity bit ⓘ |
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Apollo spacecraft guidance, navigation, and control system
this entity surface form:
Apollo Guidance, Navigation, and Control system