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

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

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

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