Cyclic Redundancy Check

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CRC can check for a block of transmitted data. The workstations generate the CRC and transmit it with the data. The receiving workstation computes a CRC and compares it to the transmitted CRC. If both of them are equal, then the block is assumed error free. In this case (such as in parity error or echo check), multiple errors can be detected. In general, CRC can detect all single-bit and double-bit errors.


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