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

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

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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
All of these
Physically place the machine instructions and data into memory
Allocate space in memory for the programs and resolve symbolic references between object decks

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Language Processors
A self-relocating program is one which

can itself perform the relocation of its address-sensitive portions
cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation
All of these
consists of a program and relevant information for its relocation

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Language Processors
A compiler is

program that accepts a program written in a high level language and produces an object program
a program that places programs into memory and prepares them for execution
is a program that appears to execute a source program as if it were machine language
a program that automate the translation of assembly language into machine language

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