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

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

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Language Processors
Assembler is

is a program that appears to execute a source program as if it were machine language
a program that automate the translation of assembly language into machine language
a program that accepts a program written in a high level language and produces an object program
a program that places programs into memory and prepares them for execution

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Language Processors
The function(s) of the Storage Assignment is/are:

to assign storage to all temporary locations that are necessary for intermediate results
to assign storage to all variables referenced in the source program
to assign storage to literals, and to ensure that the storage is allocated and appropriate locations are initialized
All of these

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