checksum(redirected from Check-sum)
Also found in: Thesaurus, Encyclopedia.
A numerical value calculated from a series of bits of digital data, often by summing their values, used to test whether the data has changed during storage or transmission.
a digit representing the number of bits of information transmitted, attached to the end of a message in order to verify the integrity of data
Switch to new thesaurus
|Noun||1.||checksum - a digit representing the sum of the digits in an instance of digital data; used to check whether errors have occurred in transmission or storage|