一种由两个二进制位组成的字节。同two-bitbyte。 A byte composed of two binary elements.
从连续的二进制位流中选择一组位来表示一个或多个字符的过程。 The process of selecting the bit groupings representing one or more characters from a continuous stream of bits.
把数据元放入各个字中的相邻二进制位上,从而能最大限度地利用存储空间的处理方法或过程。 The process of making the most effective use of storage by placing data elements into contiguous bit positions of words.