Language Processors
The task(s) of the Lexial analysis phase is/are:

to build a uniform symbol table
All of these
to build a literal table and an identifier table
to parse the source program into the basic elements or tokens of the language

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Language Processors
A base register table

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
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

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

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

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