A checksum is a small-sized block of data derived from another block of digital data for the purpose of detecting errors that may have been introduced during its transmission or storage.

Sep 16, 2025 · A checksum is a calculated value that represents the exact contents of a file or message. If the file changes — even by a single byte — the checksum changes as well.

Feb 29, 2024 · A checksum tells you if your version of a file has been altered or not. Checksum is the outcome of running an algorithm, called a cryptographic hash function, on a piece of data, usually a …

Nov 3, 2025 · A checksum is a value derived from a data set, typically a file or message, used to detect errors or alterations. It is calculated using a checksum algorithm, which processes the data and …

Feb 20, 2025 · A checksum is a value that represents the number of bits in a transmission message. IT professionals use it to detect high-level errors within data transmissions.

The meaning of CHECKSUM is a sum derived from the bits of a segment of computer data that is calculated before and after transmission or storage to assure that the data is free from errors or …

Jun 30, 2024 · A checksum is a calculated value that is used to verify data integrity and detect errors. Checksums are generated by running data through a hashing algorithm, which produces a unique …

Apr 24, 2024 · The term “checksum” refers to a sequence of letters and numbers that you can use to safeguard against data errors (also known as a “hash”). Checksums are often used in scenarios …

Oct 7, 2025 · A checksum is an error detection method used by upper-layer protocols. It is considered to be more reliable than Longitudinal Redundancy Check (LRC), Vertical Redundancy Check (VRC), …

CHECKSUM definition: a string of characters derived from a piece of stored or transmitted digital data, used to determine whether that data has been corrupted or tampered with (often used attributively). …