Language Processors
A non-relocatable program is one which

All of these
can itself perform the relocation of its address-sensitive portions
cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation
consists of a program and relevant information for its relocation

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

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

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

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Language Processors
Terminal Table

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

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