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Questions tagged [flight-computer]

Questions regarding the computers onboard spacecraft which handle mission-critical data.

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How did Shuttle computers internally represent time?

How was time represented in the five AP-101 general-purpose computers of the Space Shuttle? How many bits? Encoded as a plain binary count? Split into hours, minutes, seconds, subseconds? Binary-...
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Why do SD cards perform so much better than SSDs in space?

SD cards and SSDs are based on the same technologies, so why the stark differences in performance? Recently, it was reported that after a year in space, half of the SSD drives on the HPE Spaceborne ...
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Distributed computational power-sharing and orbital supercomputer

I had an interesting conversation last night with a nanosatellite engineer about how much computational power is required in a nanosatellite constellation and if it's necessary. I had an idea or a ...
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What are all the ways that FPGAs are used in the Flying Laptop spacecraft?

In the eoPortal's spacecraft Mission profile for the Flying Laptop, the term FPGA (Field Programmable Gate Array) appears 12 times, including the paragraph below. I'm still having trouble ...