C Data types

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C Data types

Type Name	Memory Used	Size Range	Precision
short int	2 bytes	-32,767 to 32,767	Not applicable
int	4 bytes	-2,147,483,647 to 2,147,483,647	Not applicable
long int	4 bytes	-2,147,483,647 to 2,147,483,647	Not applicable
float	4 bytes	aproximately 10^-38 to 10^38	7 digits
double	8 bytes	aproximately 10^-308 to 10^308	15 digits
long double	12 bytes	aproximately 10^-4932 to 10^4932	19 digits
char	1 byte	All ASCII characters	Not applicable
bool	1 byte	true, false	Not applicable

Syntax

Type_Name Variable_Name, Variable_Name_2, . . .;

Example

short int shortNumber;
float floatNumber;
char letter = 'a';

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