Language Processors
Bug means

A logical error in a program
All of these
Documenting programs using an efficient documentation tool
A difficult syntax error in a program

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Language Processors
In analyzing the compilation of PL/I program, the term "Machine independent optimization" 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
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
many functions do not have to be implemented twice
Functions are combined and it is not necessary to create intermediate files as output from the macro processor and input to the assembler

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Language Processors
A compiler is

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

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