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

All of these
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
many functions do not have to be implemented twice

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

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

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Language Processors
In analyzing the compilation of PL/I program, the term "Lexical analysis" 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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