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What the difference between CRC and checksum?
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CRC (Cyclic Redundancy Check) is a type of checksum, specifically a position dependent checksum algorithm (among others, such as Fletcher's checksum, Adler-32). As their name suggest, these detect positional changes as well, which makes them more robust - thus more widely used - than other checksum methods.
A check digit, also known as a checksum character, is the number located on the far right side of a bar code. The purpose of a check digit is to verify that the information on the barcode has been entered correctly.
CRC or Cyclic Redundancy Check is a method of detecting accidental changes/errors in the communication channel. CRC uses Generator Polynomial which is available on both sender and receiver side.
CRC (Cyclic Redundancy Check) is a type of checksum, specifically a position dependent checksum algorithm (among others, such as Fletcher's checksum, Adler-32). As their name suggest, these detect positional changes as well, which makes them more robust - thus more widely used - than other checksum methods.
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