Parity check is a term used in computing to verify the accuracy of transmitted data. There are a few different synonyms for this term, including checksum, error check, and verification check. A checksum is a method of verifying the integrity of data by comparing a sum of the data to a predetermined value. An error check is a similar term that refers to the process of identifying data errors and correcting them. Verification check is a more general term that can refer to any process for ensuring the accuracy of data, including parity checks and other methods. Ultimately, all of these terms refer to the important process of making sure that data is correct and error-free.