cyclic redundancy check
- noun an error detection check used in modem communications and many file transfer protocols that looks at one bit in every n bits and compares this with the original to see if an error has occurred in the last n bits.
- A technique used for error detection while transmitting digital data. In it, the sending computer performs a complex calculation based on the data, and attaches the resulting value. The receiving computer performs the same calculation, and the result is compared to the original value. If the values do not match, an error has occurred. It provides a greater degree of error detection than a checksum. Its abbreviation is CRC. Also called cyclic redundancy code, or cyclical redundancy check.
- synonymcyclic redundancy code
- synonymcyclical redundancy check