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

applications software
an operating environment
system software
an interpreter

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Language Processors
A base register table

is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain
allows the programmer to write base registers and displacements explicitly in the source program
is a term that refers to the control programs of an operating system
allows multiple programs to reside in separate areas of core at the same time

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Language Processors
In analyzing the compilation of PL/I program, the term "Syntax analysis" is associated with

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

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