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

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

All of these

A 4GL is a software tool which is written, possibly, in some third generation language

Many database management system packages support 4GLs

4GL does not support a high-level of screen interaction

All of these

A 4GL is a software tool which is written, possibly, in some third generation language

Many database management system packages support 4GLs

4GL does not support a high-level of screen interaction

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Language Processors
A non-relocatable program is one which

consists of a program and relevant information for its relocation

can itself perform the relocation of its address-sensitive portions

All of these

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

can itself perform the relocation of its address-sensitive portions

All of these

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

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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

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 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

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 which lists all key words and special symbols of the language in symbolic form

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Language Processors
The system/370 assembler language

allows multiple programs to reside in separate areas of core at the same time

is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain

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

allows multiple programs to reside in separate areas of core at the same time

is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain

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

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Language Processors
A base register table