翻訳と辞書
Words near each other
・ abort
・ abp
・ abr
・ abscissa
・ abset
・ absolute path
・ absolute pathname
・ abstract class
・ abstract data type
・ abstract interpretation
abstract machine
・ abstract machine notation
・ abstract syntax
・ abstract syntax notation 1
・ abstract syntax tree
・ abstract window toolkit
・ abstract windowing toolkit
・ abstract-type and scheme-definition language
・ abstraction
・ absys


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abstract machine : FOLDOC
abstract machine
1. A processor design which is not intended to be implemented as hardware, but which is the notional executor of a particular {intermediate language} (abstract machine language) used in a compiler or interpreter. An abstract machine has an instruction set, a register set and a model of memory. It may provide instructions which are closer to the language being compiled than any physical computer or it may be used to make the language implementation easier to port to other platforms.
A virtual machine is an abstract machine for which an interpreter exists.
Examples: ABC, Abstract Machine Notation, ALF, CAML, F-code, FP/M, Hermes, LOWL, {Christmas}, SDL, S-K reduction machine, {SECD}, Tbl, Tcode, TL0, WAM.
2. A procedure for executing a set of instructions in some formal language, possibly also taking in input data and producing output.


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