A byte is at least large enough to contain any member of the basic execution character set and is composed of a contiguous sequence of bits , the number of which is implementation - defined 一個字節(jié)應(yīng)該至少具有足夠表示運行時基本字符集的任意成員的大小,并且由實現(xiàn)定義個數(shù)的連續(xù)位構(gòu)成。