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

to build a literal table and an identifier table
to build a uniform symbol table
to parse the source program into the basic elements or tokens of the language
All of these

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

All of these
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

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