Language Processors
Assembly code data base is associated with

a permanent table which lists all key words and special symbols of the language in symbolic form
assembly language version of the program which is created by the code generation phase and is input to the assembly phase
a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure
consists of a full or partial list or the tokens as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation

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Language Processors
A loader is

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
program that accepts a program written in a high level language and produces an object program

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

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

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Language Processors
Terminal Table

a permanent table which lists all key words and special symbols of the language in symbolic form
consists of a full or partial list of the tokens as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation
contains all constants in the program
a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure

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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
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
All of these

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