Spacecraft --- Space Shuttle --- Computer

Five on-board computers that handle data processing and control critical flight systems can be found in the orbiter. The computers monitor equipment and talk to each other and vote to settle arguments.
Computers control critical adjustments especially during launch and landing:
- operations of the orbiter (housekeeping functions, payload operations, rendezvous/docking)
- interface with the crew
- caution and warning systems
- data acquisition and processing from experiments
- flight maneuvers

Basic Structure and Launching Position and Orbit Communication Navigation Power Computer Returning to Earth