1 byte = 8 bit
1 kb = 1024 byte
1 mb = 1024 kb
1 tb = 1024 mb
1 gb = 1024 tb
1 tb = 1024 pb
1 char = 1 byte = 8 bit
1 short = 2 byte = 16 bit
1 int = 4 byte \ 8 byte = 32 bit \ 64 bit
1 long = 4 byte = 32 bit
1 long long = 8 byte = 64 bit
1 float = 4 byte = 32 bit
1 double = 8 byte = 64 bit