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
use of macro processor to produce more optimal assembly code
creation of more optional matrix
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
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
An Interpreter 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
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

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