Cyclic redundancy check (CRC)
Term | Main definition |
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Cyclic redundancy check (CRC) |
An error-checking technique used to ensure the accuracy
of transmitting digital code over a communications
channel after the data is transmitted. Transmitted messages
are divided into predetermined lengths that are
divided by a fixed divisor. The result of this calculation
is appended onto the message and sent with it. At the
receiving end, the computer performs this calculation
again. If the value that arrived with the data does not
match the value the receiver calculated, an error has
occurred during transmission.
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