check summationA technique for error detection to ensure that data or program files have been accurately copied or transferred. Basically, a redundant check in which groups of digits; e.g., a file, are summed, usually without regard to overflow, and that sum checked against a previously computed sum to verify operation accuracy. See also checksum. Related category COMPUTERS, ARTIFICIAL INTELLIGENCE, AND CYBERNETICSAlso on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |