what is the variable in c and types of variables ? data types in c and their size ,

variable and data types in c

5} Types Of Variables In C Language :-

    Variable :- Variable Is Changeable Value During The Program Execution.

        variable is name of given to memory location that a value in allocated memory location.

Variable Categrise In Two Types

1. Local Variable .
2. Global Variable.

1) Local Variable :- Local Variable Which Declare With Any Function Are Called Local Variable.

• Local Variable Are Store The Value Temporarily.
• These Variables Are Only Accessed By The Function In Which Thay Are Declared.

2) Global Variable :- Global Variable Are Declared Above Any Function Is Called Global Variable.

• These Variable Are Accessed By Any Function In The Program.
• Default Value Of Global Variable Is Zero.

6} Data Types In C Programming  :-a

    Data Types :- Are Used For Types Declaration For Variable And Size Declaration For Variable.

data types in c programming

1] Integer :- Integer Data Type Used For To Store Data In Numerical Value Without Decimal Point In A Variable.

Ex : 

            int  a = 28 ;

                  b = 80 ;

                  k = 30;

                  s =  5 ;

data types and sizes in c

2] Float :- Float Data Type Used For To Store Data In Numerical Value With  Decimal Point In A Variable.

Ex :  

float   a = 25.23;

b = 80.65;

d = 954.325;

data types and sizes in c

3]  Character :- Character Data Type Store A Alphanumeric Values In A Variable.

Ex : 

            Char  ‘ x ’ , ‘ y ’  , ‘ z ‘  , ‘ 2 ‘ ,  ‘ / ‘ , ' s ' , ' + ' , ' * ' ;

data types and sizes in c