C language - Class 6 : Data types in C
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Datatypes :
A data type
Datatypes :
A data type is a keyword which specifies the type of data being stored in the variable.
Data types are used to define variables before to use in a program.
Size of variables are determined by data types.
Data types are put before the variables in the declaration to specify variables’ type.
For Ex: int num, sum;
All data types are keywords.
char 1 byte -128 to 127
int 2 bytes -32,768 to 32,767
long 4 bytes -2,147,483,648 to 2,147,483,647
float 4 bytes 3.4 E-38 to 3.4E+38 6 decimal places
double 8 bytes 1.7E-308 to 1.7E+308 14 decimal places
void empty data type
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