Language Processors
A loader is

program that accepts a program written in a high level language and produces an object program
a program that automate the translation of assembly language into machine language
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

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

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

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

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

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