Language Processors
The task(s) of the Lexial analysis phase is/are:

All of these
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

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Language Processors
In analyzing the compilation of PL/I program, the term "Syntax analysis" is associated with

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

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

Many database management system packages support 4GLs
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

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