C Basic Overview of Learn Programming Languages

What is Language:   The Language Can Be Use To " Communication Between User & Computer, in Programming Languages." Now, The Computer Which languages are Understand initial  Machine Language . The Machine Level Language Are Binary Numbers Only( 0,1).

Now a Days , So Many Languages Are Available to Designing Programs. They are Consider 4 Different Types. They Are :

1. Machine Level Language
2. Assembly Level Language
3. Intermediate Level Language
4. High-Level Language.

Follow Steps Learn Simple Way :

Step:1

Alphabets, Digits, Special Symbols.

Alphabets:-                    A,B-------Y,Z.    a,b-------y,z.

Digits:-                          0,1,2,3,4,5,6,7,8,9.

Special Symbols:-        ~  "  +  =  -  ,  <  >  {  }  %  :  ;  .  ?  \  /  !  @  #   ^  *  _  ' 

Step:2

Constants, Variables, Keywords.

1.Constants:-  There are divided into 2 types.

• Primary Constants
• Secondary Constants

1.Primary Constants: integer Constant, Real Constant, Char Constant.

2.Secondary Constants: Array, Pointer, Structure, Union.

1.Primary Constants

Integer :  The Integer is Simply assign values Numbers (1,2,3,4...) only. When integer Using In C Program.  Declare in int a;

int a=5;

Real Numbers: The Real Numbers are can be declare in c program like to this float f;

f=2.22;

Char:  The Char is declare in c program like to this char c;

c='a';

2.Secondary Constants

Array:The Array is Collection Of Same Data Types & Fixed Store Values.Array Can Be Declare as int age[ ];

int x;

int age[10];

age[0]=5;

age[1]=8;

age[2]=4;

     "

     "

     "

     "

age[10]=6;

Here, x is represented  Xo, X1,X2---------X9.

Pointer: The Pointer Can Be Declare as in c program like this symbol (*). The Pointer is variable, Which Contains the address in Memory of Another Variable .

<type>*<pointer name>

    int   *    p;

Structure : Structure is a Collection Variables in Under a Single name. The Structure Can Be Relatively Collection Of information in Single object.

struct student 

{

    int id;

    char name[20];

    int age;

};

Union : The Union Can Store different data types in same memory Location. Unions Provides to Effective way of Using the Same Memory for Multi-Purpose.

union data

{

int a;

float f;

char name[20];

};

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