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I wonder if the touchscreens are made of diverse hardware types and run by different programs running on different types of CPUs. If it's all common hardware an
by EvanAnderson 6y ago
I wonder if the touchscreens are made of diverse hardware types and run by different programs running on different types of CPUs. If it's all common hardware and a common code-base then one in-common hardware or software failure could still take them all down.
- sxates 6y agoI know the space shuttle employed multiple redundant computers of differing hardware as failsafes. I can't imagine SpaceX didn't do the same thing.
- pbourke 6y agoThe redundant computers were only one part of it. The Space Shuttle software engineering capability was on another level. https://www.fastcompany.com/28121/they-write-right-stuff https://www.fastcompany.com/28121/they-write-right-stuff
- kens 6y agoFor redundancy, the Space Shuttle used five of the same computer (IBM AP-101). Four of them ran the same software, while the fifth ran independently-developed software in case a bug prevented the others from working.