fixed block

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• Fixed Block Architecture — (FBA) is a disk layout in which each physical record (block) on disk is of the same size. The term fell out of use, since nearly all modern disk drives use this principle, having usually a constant block size of 512 bytes.IBM mainframe systems… …   Wikipedia

• fixed block — noun 1. : a tackle block that is immovable 2. : one of the sheaves in a ship s chesstree …   Useful english dictionary

• Block and tackle — A block and tackle [ Tackle can be pronEng|ˈteɪkəl in this usage.] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift or pull heavy loads. TOC Overview Although used in many situations, they are… …   Wikipedia

• block and tackle — Pulley Pul ley, n.; pl. {Pulleys}. [F. poulie, perhaps of Teutonic origin (cf. {Poll}, v. t.); but cf. OE. poleine, polive, pulley, LL. polanus, and F. poulain, properly, a colt, fr. L. pullus young animal, foal (cf. {Pullet}, {Foal}). For the… …   The Collaborative International Dictionary of English

• block and tackle — the ropes or chains and blocks used in a hoisting tackle. [1830 40] * * * Combination of pulleys with a rope or cable, commonly used to augment pulling force. Two or more of the pulleys are attached to a fixed block, and the remaining pulleys are …   Universalium

• Block (data storage) — In computing (specifically data transmission and data storage), block is a sequence of bytes or bits, having a nominal length (a block size ). Data thus structured is said to be blocked . The process of putting data into blocks is called blocking …   Wikipedia

• Fixed Service Satellite — (or FSS), is the official classification (used chiefly in North America) for geostationary communications satellites used for broadcast feeds for television and radio stations and networks, as well as for telephony and data communications. FSS… …   Wikipedia

• block signal — block signaling. a fixed railroad signal governing the movements of trains entering and using a given section of track. [1880 85] * * * …   Universalium

• Block code — In computer science, a block code is a type of channel coding. It adds redundancy to a message so that, at the receiver, one can decode with minimal (theoretically zero) errors, provided that the information rate (amount of transported… …   Wikipedia

• Fixed-point arithmetic — In computing, a fixed point number representation is a real data type for a number that has a fixed number of digits after (and sometimes also before) the radix point ( e.g. , after the decimal point . in English decimal notation). Fixed point… …   Wikipedia

• Block 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… …   Wikipedia