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

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

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Language Processors
The system/370 assembler language

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

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