Size of data types

Answer 1

try using sizeof operator with the data type you want.

Answer 2

Those are machine dependent. Use the sizeof operator to get the sizes on your system.

Answer 3

int=2bytes, char=1byte,void=0byte,float=4bytes,double=8byte

Answer 4

int=2 bytes=16 bits
char=1 byte=8 bits

Answer 5

int =4 bit
double =8 bit
short int = 2 bit
long int = 8 bit