Some facts of programming

            Friends, most of the time we prepare a program but on the other hand, we should know how to check the program on the software and what happens after the compiling the program. So today I will focus on the part of the program compilation.
            Before going to the part of compilation, I will introduce the basic types of programming. Basically the programming is divided in two parts

1. Low level programs/ machine language which is also called as assembly language programming.
2. High level programing like.

            C programming is high level programming. Now you may raise the question that, what is an machine language programming? Answer to this question is, the binary coded programming like 0's and 1's, or you can program with very sophisticated words like JUMP , MOV , ADD, etc. But machine programming becomes tedious when we want to build up a huge software for high level purposes, also machine language programming instruction set varies with different kinds of processors built up by different companies. That's why we generally use high level programming like C programming, Java, C++, python, etc.

             Now I will converge to today's topic, when we finish up typing a C program for a general problem like addition or slightly higher than that, we have to check up the program on the computer, whether it is correct in syntax or not. For this purpose we do the compilation of the program. But, instead of checking the syntax of the program, compiler does another work, which is nothing but converting the c program in binary form, i.e. converting in assembly program. When you will save your program at any location in your computer, after compilation you will find that there will be three kind of format of your programs. On windows OS these will be .exe, .obj, .asm . The .asm means an assembly program. Whenever you will compile any program, you can read the .asm file.
              Furthermore, when one will compile a program, sometimes he will find some syntax error, generally the common errors are 

1. Missing a semicolon (;) after a instruction.
2. Missing a close bracket "}" at the end of the function like main( ).
3. Error in spelling of instructions.

So first try to find errors with the above most common set of errors. The following code is considered as a beginning of C program.

#include<stdio.h>
void main()
{
  printf("Hello World ");
}

I will explain about variables, operators, data types and format specifiers in upcoming days.

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The journey in between what you once were and who you are now becoming  is where the dance of life takes place....

                                 - Barbara De Angelis  

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