3.6 byte
byte
addressable unit of data storage large enough to hold any member of the basic character set of the execution environment
NOTE 1
It is possible to express the address of each individual byte of an object uniquely.
NOTE 2
A byte is composed of a contiguous sequence of bits, the number of which is implementation- defined. The least significant bit is called the low-order bit; the most significant bit is called the high-order bit.