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An encoder is a device used to encode a bitstream or other signal or data into a form that is acceptable for transmission or storage. This is usually done by means of an algorithm, especially if any part is digital, while most analogue is done with circuitry. An encoder is also
a measuring device that is completely different from the average IT person thinks. These are devices that use light and can
measure distances of single nanometers, which actually enable the technology to create computers themselves.
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