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

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

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Language Processors
The advantage(s) of incorporating the macro processor into pass 1 is/ are:

more flexibility is available to the programmer in which he/she may use all the features of the assembler in conjunction with macros
Functions are combined and it is not necessary to create intermediate files as output from the macro processor and input to the assembler
All of these
many functions do not have to be implemented twice

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Language Processors
The function(s) of the Syntax phase is/ are:

to build a literal table and an identifier table
to parse the source program into the basic elements or tokens of the language
to build a uniform symbol table
to recognize the major constructs of the language and to call the appropriate action routines that will generate the intermediate form or matrix for these constructs

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