Language Processors
A system program that combines the separately compiled modules of a program into a form suitable for execution

linking loader
cross compiler
assembler
load and go

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Language Processors
A non-relocatable program is one which

All of these
cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation
consists of a program and relevant information for its relocation
can itself perform the relocation of its address-sensitive portions

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Language Processors
Terminal Table

a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure
contains all constants in the program
a permanent table which lists all key words and special symbols of the language in symbolic form
consists of a full or partial list of the tokens as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation

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Language Processors
A base register table

allows the programmer to write base registers and displacements explicitly in the source program
is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain
allows multiple programs to reside in separate areas of core at the same time
is a term that refers to the control programs of an operating system

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