Data Types in C

Data Types in C:

Types	Data Types
Basic Data Type	int, char, float, double
Derived Data Type	array, pointer, structure, union
Enumeration Data Type	Enum
Void Data Type	Void

A data type specifies the type of data that a variable can store such as integer, floating, character etc. There are 4 types of data types in C language.

1.7.1. Basic Data Types:

            The basic data types are integer-based and floating-point based. These are also called as scalar data types. C language supports both signed and unsigned literals. The memory size of basic data types may change according to 32 or 64 bit operating system. Let's see the basic data types. It size is given according to 32 bit OS.

Data Types	Memory Size	Range	Data Types	Memory       Size	Range
Char	1 byte	−128 to 127	short int	2 byte	−32,768 to 32,767
signed char	1 byte	−128 to 127	signed short int	2 byte	−32,768 to 32,767
unsigned char	1 byte	0 to 255	unsigned short int	2 byte	0 to 65,535
Short	2 byte	−32,768 to 32,767	long int	4 byte	−2147483647 to +2147483647
signed short	2 byte	−32,768 to 32,767	signed long int	4 byte	−2147483647 to +2147483647
unsigned short	2 byte	0 to 65,535	unsigned long int	4 byte	0 to 4294967294
Int	2 byte	−32,768 to 32,767	float	4 byte	1.2E-38 to 3.4E+38
signed int	2 byte	−32,768 to 32,767	double	8 byte	2.3E-308 to 1.7E+308
unsigned int	2 byte	0 to 65,535	long double	10 byte	3.4E-4932 to 1.1E+4932

Remaining data types will be studied later.