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
"The system calculated a checksum by summing all the digits in the file to verify that no errors occurred during its download."
A number, derived by applying a suitable algorithm to some data, used to check whether errors have occurred in transmission, storage or data entry.
"The system calculated the checksum of the downloaded file to verify that no bits were corrupted during transfer."
In plain English: A checksum is a quick math calculation used to check if data has been changed while it's being sent or stored.
"The computer program calculated a checksum to verify that no data was corrupted during transmission."
Usage: A checksum is a calculated value used to verify that digital files or transmitted messages remain unchanged and error-free during transfer or storage. It serves as a quick integrity test by comparing the original calculation against one generated after potential corruption occurs.
To compute a checksum.
"The program automatically computes a checksum to verify that the downloaded file has not been corrupted."
The word checksum is a straightforward combination of the words check and sum. It was first used to describe a value calculated by adding numbers together to verify data accuracy.