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About Christopher

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  1. Christopher

    Saving Data When Turned Off

    I don't know the internals of that part but some processors have a hibernate mode where some tiny amount of energy maintains the memory, even for years on a tiny battery.
  2. Christopher

    Are you an electrical engineer?

    For high speed digital I often analyzed worst case component propagation times as well as propagation down the circuit board traces. For medical designs "Failure Effects and Modes Analysis" was employed. In other words, what happens on any single component failure? The first medical company I worked at went a step further and analyzed two point failures when one of the failures was undetectable. Later in servers a similar analysis was performed to address malign hacks and their mitigation. One of my favorites from college was modeling op-amp circuits as a virtual short in computing the output.