error-detection code
nounUK /ˈerə dɪˈtekʃən kəʊd/
US /ˈerər dɪˈtekʃən koʊd/
A special set of rules that helps a computer notice when something has gone wrong with its data.
The app uses an error-detection code to catch mistakes when files are sent over the internet.
OTHER MEANINGS
2. A code added to data so a receiver can tell whether the data was corrupted during transmission.
The network protocol includes an error-detection code in every packet.
3. A method in computing that flags mistakes without necessarily fixing them.
Unlike error-correction codes, an error-detection code only warns that a problem exists.
4. Any scheme, such as a checksum or cyclic redundancy check, used to verify data integrity.
Engineers tested several error-detection codes before choosing the CRC for the system.