GeoDesy GD-3000 Series User Manual
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of network traffic or a block of a computer file. The checksum is used to detect errors
after transmission or storage. A CRC is computed and appended before
transmission or storage, and verified afterwards by the recipient to confirm that no
changes occurred on transit. CRCs are popular because they are simple to
implement in binary hardware, are easy to analyze mathematically, and are
particularly good at detecting common errors caused by noise in transmission
channel.