LANGUAGE PROCESSORS

a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure

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

a permanent table which lists all key words and special symbols of the language in symbolic form

contains all constants in the program

one pass compiler

optimizing compiler

cross compiler

multipass compiler

a permanent table which lists all key words and special symbols of the language in symbolic form

assembly language version of the program which is created by the code generation phase and is input to the assembly phase

a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure

consists of a full or partial list or the tokens as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation

A 4GL is a software tool which is written, possibly, in some third generation language

4GL does not support a high-level of screen interaction

All of these

Many database management system packages support 4GLs

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