checksum

checksum
noun Date: 1940 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 tampering

New Collegiate Dictionary. 2001.

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  • Checksum —   [engl.], Prüfsumme …   Universal-Lexikon

  • checksum — (SUMmation CHECK) n. final check, examination of several of the bits which are transferred in order to discover transfer errors (Computers) …   English contemporary dictionary

  • Checksum — Effect of a typical checksum function (the Unix cksum utility). A checksum or hash sum is a fixed size datum computed from an arbitrary block of digital data for the purpose of detecting accidental errors that may have been introduced during its… …   Wikipedia

  • checksum —    A method of providing information for error detection, usually calculated by summing a set of values.    The checksum is usually appended to the end of the data that it is calculated from so that they can be compared. For example, Xmodem, a… …   Dictionary of networking

  • Checksum — Somme de contrôle La somme de contrôle (en anglais checksum) est un concept de la théorie des codes utilisé pour les codes correcteurs, elle correspond à un cas particulier de contrôle par redondance. Elle est largement utilisée en informatique… …   Wikipédia en Français

  • checksum — UK [ˈtʃekˌsʌm] / US noun [countable] Word forms checksum : singular checksum plural checksums computing a number that is the total of the digits in a piece of data that has been stored or sent in digital form. It is used to check that nothing has …   English dictionary

  • Checksum — In der Informatik ist eine Prüfsumme (engl.: checksum) eine einfache Maßnahme zur Gewährleistung von Datenintegrität bei der Datenübermittlung oder speicherung. Sie wird hauptsächlich bei der Datensicherung und bei der Datenübertragung verwendet …   Deutsch Wikipedia

  • checksum — 1. noun 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 2 …   Wiktionary

  • checksum — A number that represents a larger group of numbers in order to check for errors in data transmission. It is commonly used when downloading a program. The checksum is the result of a mathematical equation, such as adding all the numbers in a group …   Dictionary of telecommunications

  • Checksum — PodWEB A checksum is a value that is used to check the integrity of file. Checksums are often used to verify media files that have been uploaded for distribution …   Audio and video glossary

  • checksum — kontrolinė suma statusas T sritis informatika apibrėžtis Reikšmė, laikoma arba persiunčiama kartu su duomenimis ir apskaičiuojama įvykdžius tam tikrą matematinę funkciją su tais duomenimis. Naudojama patikrinti, ar sudarantys duomenys nebuvo… …   Enciklopedinis kompiuterijos žodynas

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