How to work with the BASIC DATA TYPE

To work with the BASIC DATA TYPE.

DATA TYPE	C++ KEYWORD	BITS	RANGE
character	char	8	0 to 255
floating point	float	32	Approximately 6 digit of precision
double floating point	double	64	Approximately 12 digit of precision
integer	int	16	-32768 to 32767
short integer	short	8	-128 to 127
long integer	long	32	-4294967296 to 4294967295
unsigned integer	unsigned	16	0 to 65535