Language Processors
In which way(s) can a macro processor for assembly language be implemented?

All of these
independent one-pass processor
independent two-pass processor
processor incorporated into pass of a standard two-pass assembler

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Language Processors
Assembly code data base is associated with

assembly language version of the program which is created by the code generation phase and is input to the assembly phase
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
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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Language Processors
The advantage(s) of incorporating the macro processor into pass 1 is/ are:

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
All of these
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
Bug means

A difficult syntax error in a program
All of these
Documenting programs using an efficient documentation tool
A logical error in a program

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