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

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

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

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Language Processors
A compiler is

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
a program that places programs into memory and prepares them for execution
program that accepts a program written in a high level language and produces an object program

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