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Definition of "checksum" [checksum]

  • A digit or character, derived by applying a suitable algorithm to some data, used to check whether errors have occurred in transmission, storage or data entry (noun)
  • To compute a checksum. (verb)

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Use "checksum" in a sentence
  • "Of course, it's assuming that whoever built the downloadable file, computed the checksum, and wrote the web page listing the checksum is honest, but it's still a useful check to make."
  • "That's when Apple first introduced a special operation, called a checksum hash, into its products to ensure that Apple's devices were communicating with iTunes and not some other type of software."
  • "A checksum is a fixed-size datum that is computed from a block of data."