data block
31Data discrimination — Network Neutrality Related issues and topics Automatic telephone exchange Data discrimination End to end principle Internet Protocol Tiered Internet Bandwidth Throttling …
32Data set (IBM mainframe) — This article is about mainframe computer file. For a general meaning in computing field, see Data set. data set (archaic), dataset (preferred), is a computer file having a record organization. The term pertains to the IBM mainframe operating… …
33Block cipher — In cryptography, a block cipher is a symmetric key cipher operating on fixed length groups of bits, called blocks, with an unvarying transformation. A block cipher encryption algorithm might take (for example) a 128 bit block of plaintext as… …
34block — blockable, adj. /blok/, n. 1. a solid mass of wood, stone, etc., usually with one or more flat or approximately flat faces. 2. a hollow masonry building unit of cement, terra cotta, etc.: a wall made of concrete blocks. 3. one of a set of cube… …
35Block size (cryptography) — In modern cryptography, symmetric key ciphers are generally divided into stream ciphers and block ciphers. Block ciphers operate on a fixed length string of bits. The length of this bit string is the block size. Both the input (plaintext) and… …
36Data Encryption Algorithm — DES Eine Feistel Runde (F Funktion) Entwickler IBM Veröffentlicht 1975 Abgeleitet von Lucifer …
37Data Encryption Standard — DES Eine Feistel Runde (F Funktion) Entwickler IBM Veröffentlicht 1975 Abgeleitet von …
38Data Control Block — In IBM mainframe operating systems, such as OS/360, MVS, z/OS, a Data Control Block (DCB) is a description of a dataset in a program. A DCB is coded in Assembler programs using the DCB macro instruction (which expands into a large number of… …
39block redundancy check — (BRC) Information added to a transmitted block to verify accuracy of data before it is accepted. Block check data is developed by the sender as a predefined function of information in the block; the receiver performs the same function on… …
40block — [[t]blɒk[/t]] n. 1) bui a solid mass of wood, stone, etc., usu. with one or more flat or approximately flat faces 2) bui a hollow masonry building unit of cement, terra cotta, etc 3) one of a set of cube shaped pieces used as a child s toy in… …
