Language Processors
Which of the following systems software does the job of merging the records from two flies into one?

Security software
Utility program
Networking software
Documentation system

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

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Language Processors
Assembly code data base is associated with

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
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

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

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

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