Answer to Question #168750 in C++ for Kwame Hayford

Question

1.How do you understand the term Language “Processing System”

2. How does a program using a C++ compiler be executed on a host machine?

Answer 1

Language Processing System

The steps undergone by a source code to get converted in to machine code is as shown in below diagram.

Preprocessor :

• It is considered to be a part of the compiler.
• It deals with macro processing ,file inclusion, augmentation etc..
• In c program before writing a program we usually include library files in preprocessor it includes these library files with the source code.this is called file inclusion.

Compiler :

• compiler translates a source code into target code.

Assembler :

• An Assembler translate assembly language program to machine code.
• Assembly language consist of instruction sets to deal with memory directly.

Linker/Loader:

• Linker is a computer program that links and merges various object files together in order to make an executable file.
• Loader is a part of operating system and is responsible for loading executable files into memory and execute them.