echo check


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Related to echo check: parity check

echo check

[′ek·ō ‚chek]
(computer science)
A method of ascertaining the accuracy of transmission of data in which the transmitted data are returned to the sending end for comparison with original data. Also known as loopback check; loop check; read-back check.

echo check

In communications, an error checking method that retransmits the data back to the sending device for comparison with the original.