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1 parity bit
"In asynchronous communications, an extra bit used in checking for errors in groups of data bits transferred within or between computer systems. In modem-to-modem communications, a parity bit is often used to check the accuracy with which each character is transmitted." -
2 parity
Pertaining to the resiliency type for a volume that stripes data and parity information across physical disks in a Microsoft Storage Spaces storage pool. -
3 Data Encryption Standard
"An encryption algorithm that uses a 56-bit key and maps a 64-bit input block to a 64-bit output block. The key appears to be a 64-bit key, but one bit in each of the eight bytes is used for odd parity, resulting in 56 bits of usable key." -
4 RAID-5 volume
"A fault-tolerant volume with data and parity striped intermittently across three or more physical disks. Parity is a calculated value that is used to reconstruct data after a failure. If a portion of a physical disk fails, Windows recreates the data that was on the failed portion from the remaining data and parity. You can create RAID-5 volumes only on dynamic disks on computers running the Windows 2000 Server or Windows Server 2003 families of operating systems. You cannot mirror or extend RAID-5 volumes. In Windows NT 4.0, a RAID-5 volume was known as a striped set with parity."
См. также в других словарях:
Parity file — Parity files are files that are created to accompany data files, and are used to preserve data integrity and assist in data recovery. They are useful when data files are transmitted or stored on less than perfect mediums such as newsgroup… … Wikipedia
parity bit — par i*ty bit , n. (Computers) The bit within a data structure which is assigned a value of 1 or 0 so as to make the parity[7] of the data structure odd or even. Data structures may or may not have parity bits, dpending on whether the system does… … The Collaborative International Dictionary of English
parity check — par i*ty check , n. (Computers) The act or process of testing whether a byte or other data structure has an even or odd number of bits set to the value of 1; it is used primarily to detect errors in data, especially in memory banks or in data… … The Collaborative International Dictionary of English
Parity — Par i*ty, n. [L. paritas, fr. par, paris, equal: cf. F. parit[ e]. See {Pair}, {Peer} an equal.] 1. The quality or condition of being equal or equivalent; a like state or degree; equality; equivalence; close correspondence; analogy; as, parity of … The Collaborative International Dictionary of English
Data transmission — Data transmission, digital transmission, or digital communications is the physical transfer of data (a digital bit stream) over a point to point or point to multipoint communication channel. Examples of such channels are copper wires, optical… … Wikipedia
Data Encryption Standard — The Feistel function (F function) of DES General Designers IBM First publis … Wikipedia
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Parity of zero — Zero objects, divided into two equal groups Zero is an even number. In other words, its parity the quality of an integer being even or odd is even. Zero fits the definition of even number : it is an integer multiple of 2, namely 0 × 2. As a… … Wikipedia
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