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

Documentation system
Security software
Networking software
Utility program

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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 syntactic constructs through reductions
recognition of basic elements and creation of uniform symbols
creation of more optional matrix

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Language Processors
Assembler is

a program that automate the translation of assembly language into machine language
is a program that appears to execute a source program as if it were machine language
a program that places programs into memory and prepares them for execution
a program that accepts a program written in a high level language and produces an object program

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Language Processors
Indicate which of the following is not true about 4GL?

A 4GL is a software tool which is written, possibly, in some third generation language
4GL does not support a high-level of screen interaction
All of these
Many database management system packages support 4GLs

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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 places programs into memory and prepares them for execution
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

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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
a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure
contains all constants in the program
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

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