Why is it that true random number generation is virtually impossible for current computers to achieve? I build and fix computer hardware as part of my living, but I still don’t understand this. Please explain?
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Computers use a function that generates numbers random based on an input (a seed). This function is very good, nearly indistinguishable from true randomness for most purposes. The only problem is that seed. Computers seed these generators with junk data from interference detected in devices or in rarer cases a dedicated piece of hardware which specifically collects “noise” which is random in nature through one of various means.
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