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by londons_explore
2200 days ago
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From systems pre-error-correction... Think RS-232 serial for example... No error correction there, so people typically don't push hardware too close to the limits of bit rates because every bit error will cause some breakage. Even today, a lot of modern devices talk with RS232-like protocols, and none of them have even parity bits - it's just assumed error rates are so low as to be zero across the useful life of the product. |
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