Language Processors
A translator which reads an entire programme written in a high level language and converts it into machine language code is:

system software
translator
assembler
compiler

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Language Processors
The advantage(s) of incorporating the macro processor into pass 1 is/ are:

All of these
Functions are combined and it is not necessary to create intermediate files as output from the macro processor and input to the assembler
many functions do not have to be implemented twice
more flexibility is available to the programmer in which he/she may use all the features of the assembler in conjunction with macros

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Language Processors
In analyzing the compilation of PL/I program, the term "Lexical analysis" is associated with

recognition of basic syntactic constructs through reductions
use of macro processor to produce more optimal assembly code
creation of more optional matrix
recognition of basic elements and creation of uniform symbols

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Language Processors
Assembly code data base is associated with

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

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