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

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

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

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

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Language Processors
Bug means

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

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