八位元 bāwèiyuán 8-bit Origin Definitions Defs Strokes Stroke Words Sentences Sents 八 bā numeral eight eight; 8位元 wèiyuán bit a binary digit, which can be either 0 or 1; the smallest unit of data in computing (8 bits make up one byte); a single unit in a series of pulse signals, represented as a high or low voltage signal; see 比特 bǐtè for the Mainland China equivalent.