Language Processors
In analyzing the compilation of PL/I program, the term "Machine independent optimization" is associated with

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

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Language Processors
The function(s) of the Storage Assignment is/are:

to assign storage to all variables referenced in the source program
All of these
to assign storage to literals, and to ensure that the storage is allocated and appropriate locations are initialized
to assign storage to all temporary locations that are necessary for intermediate results

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Language Processors
Which of the following functions is/ are performed by the loader?

All of these
Physically place the machine instructions and data into memory
Allocate space in memory for the programs and resolve symbolic references between object decks
Adjust all address dependent locations, such as address constants, to correspond to the allocated space

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Language Processors
Assembly code data base is associated with

a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure
assembly language version of the program which is created by the code generation phase and is input to the assembly phase
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 which lists all key words and special symbols of the language in symbolic form

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