Editing Summation check (section)

{{Short description|Telecommunication term}}

In [[telecommunications]], the term '''summation check''' ('''sum check''') has the following meanings: 

*A [[checksum]] based on the formation of the sum of the digits of a numeral. 
**Note: The sum of the individual digits is usually compared with a previously computed value.
*A comparison of checksums on the same [[data]] on different occasions or on different representations of the data in order to verify [[data integrity]].