meaning of eisa

1. EISA Extended Industry-Standard Architecture EJB Enterprise JavaBeans EL1 Extensible Language One. An extensible language by B. Wegbreit of Harvard ca 1974. EL1 is internally somewhat Lisp-like, but fully typed with records and pointers. The external syntax is ALGOL-like and extensible, supporting user-defined data structures, control structures and operations. The parser is table-driven, with a modifiable set of productions. Used as the basis for the ECL operating system. ["Studies in Extensible Programming Languages", B. Wegbreit, Garland. Pub 1980]. elalpha Aims to be a high-level language that knows about real hardware, for systems programming. "Essential Language elalpha - A Reduced Expression Set Language for Systems Programming", T. Watanabe et al, SIGPLAN Notices 261:85-98. Elan ["Top-down Programming with Elan", C. H. A. Koster, Ellis Horwood 1987]. El Camino Bignum /el k*-meenoh bignuhm/ The road mundanely called El Camino Real, a road through the San Francisco peninsula that originally extended all the way down to Mexico City and many portions of which are still intact. Navigation on the San Francisco peninsula is usually done relative to El Camino Real, which defines logical north and south even though it isnt really north-south many places. El Camino Real runs right past Stanford University. The Spanish word "real" which has two syllables: /ray-al/ means "royal"; El Camino Real is "the royal road". In the Fortran language, a "real" quantity is a number typically precise to seven significant digits, and a "double precision" quantity is a larger floating-point number, precise to perhaps fourteen significant digits other languages have similar "real" types. When a hacker from MIT visited Stanford in 1976, he remarked what a long road El Camino Real was. Making a pun on "real", he started calling it "El Camino Double Precision" - but when the hacker was told that the road was hundreds of miles long, he renamed it "El Camino Bignum", and that name has stuck. See bignum. [Jargon File]

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