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1 checksum
"A calculated value that is used to test data for the presence of errors that can occur when data is transmitted or when it is written to disk. The checksum is calculated for a given chunk of data by sequentially combining all the bytes of data with a series of arithmetic or logical operations. After the data is transmitted or stored, a new checksum is calculated in the same way using the (possibly faulty) transmitted or stored data. If the two checksums do not match, an error has occurred, and the data should be transmitted or stored again. Checksums cannot detect all errors, and they cannot be used to correct erroneous data."
См. также в других словарях:
arithmetic series — arithˌmetic proˈgression [arithmetic progression] (also arithˌmetic ˈseries) noun a series of numbers that decrease or increase by the same amount each time, for example 2, 4, 6, 8 … Useful english dictionary
arithmetic series — noun The sum of the terms in an arithmetic progression … Wiktionary
Infinite arithmetic series — In mathematics, an infinite arithmetic series is an infinite series whose terms are in an arithmetic progression. Examples are nowrap|1 + 1 + 1 + 1 + · · · and nowrap|1 + 2 + 3 + 4 + · · ·. The general form for an infinite arithmetic series… … Wikipedia
arithmetic progression — (also arithmetic series) ► NOUN ▪ a sequence of numbers in which each differs from the preceding one by a constant quantity (e.g. 1, 2, 3, 4, etc.; 9, 7, 5, 3, etc.) … English terms dictionary
Arithmetic progression — In mathematics, an arithmetic progression or arithmetic sequence is a sequence of numbers such that the difference of any two successive members of the sequence is a constant. For instance, the sequence 3, 5, 7, 9, 11, 13... is an arithmetic… … Wikipedia
arithmetic progression — a sequence in which each term is obtained by the addition of a constant number to the preceding term, as 1, 4, 7, 10, 13, and 6, 1, 4, 9, 14. Also called arithmetic series. [1585 95] * * * … Universalium
arithmetic progression — (also arithmetic series) noun a sequence of numbers in which each differs from the preceding one by a constant quantity (e.g. 1, 2, 3, 4, etc.; 9, 7, 5, 3, etc.) … English new terms dictionary
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Arithmetic — tables for children, Lausanne, 1835 Arithmetic or arithmetics (from the Greek word ἀριθμός, arithmos “number”) is the oldest and most elementary branch of mathematics, used b … Wikipedia
Arithmetic coding — is a method for lossless data compression. Normally, a string of characters such as the words hello there is represented using a fixed number of bits per character, as in the ASCII code. Like Huffman coding, arithmetic coding is a form of… … Wikipedia
Arithmetic function — In number theory, an arithmetic (or arithmetical) function is a real or complex valued function ƒ(n) defined on the set of natural numbers (i.e. positive integers) that expresses some arithmetical property of n. [1] An example of an arithmetic… … Wikipedia
