Tuesday, 27 March 2018

High-level Programming Language Tools : Compiler , Linker , Interpreter


Compiler 

 Compiler is used to transform a program written in a high-level programming language from source code into object code.

Programmers write programs in a form called source code.Source code must go through several steps before it becomes an executable program.

The first step is to pass the source code through a compiler, which translates the high-level language instructions into object code.

The final step in producing an executable program--after the compiler has produced object code-- is to pass the object code through a linker. The linker combines modules and gives real values to all symbolic addresses, thereby producing machine code.

Linker

 Also called link editor  and binder, a linker is a program that combines objects modules to form an executable program.

Many programming languages allow you to write different pieces of code, called modules, separately.

This simplifies the programming task because you can break a large program into small, more manageable pieces.

Eventually, through you need to put all the modules together.This is the job of the linker.

Interpreter

 An interpreter translates high-level instructions into an intermediate form which it then executes.

Compiled programs generally run faster than interpreted programs.

The advantage of an interpreter, however, is that it does not need to go through the compilation stage during which machine instructions are generated.The process can be time-consuming if the program is long.

The interpreter, on the other hand, can immediately execute high-level programs.

Editor

 An editor is software, where the programmer can write the source code, edit it as well as compile and execute it. Like compilers and interpreters, the editors are also different for different programming languages.

MATLAB

  MATLAB (MATrix LABoratory) is a numerical computing environment and fourth generation programming language, developed by the Math works.

 MATLAB allows matrix manipulation plotting of functions and data, implementation of algorithms, creation of user interfaces, and interfacing with programs in other languages.

GUI (Graphical User Interface)
 GUI is a program interface that takes advantage of the computer's graphics capabilities to make the program easier to use. Well-designed graphical user interfaces can free the user from learning complex command languages.

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