Language Processors
Which of the following might be used to convert high-level language instructions into machine language?

applications software
an interpreter
system software
an operating environment

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

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