Language Processors
In which way(s) can a macro processor for assembly language be implemented?

independent one-pass processor
All of these
independent two-pass processor
processor incorporated into pass of a standard two-pass assembler

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Language Processors
Assembler is

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

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

All of these
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
more flexibility is available to the programmer in which he/she may use all the features of the assembler in conjunction with macros

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Language Processors
In analyzing the compilation of PL/I program, the term "Machine independent optimization" is associated with

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

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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
4GL does not support a high-level of screen interaction
A 4GL is a software tool which is written, possibly, in some third generation language

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