Sixteen-segment display Sixteen-segment display A sixteen-segment display (SISD) is a type of display based on 16 segments that can be turned on or off according to the graphic pattern to be produced. It is an extension of the more common seven-segment display, adding four diagonal and two vertical segments and splitting the three horizontal segments in half. Other variants include the fourteen-segment display which does not split the top or bottom horizontal segments, and the twenty two-segment display that allows lower-case characters with descenders. Often a character generator is used to translate 7-bit ASCII character codes to the 16 bits that indicate
Sixteen Prefectures Sixteen Prefectures The Sixteen Prefectures (), more specifically the Sixteen Prefectures of Yan and Yun or the Sixteen Prefectures of You and Ji (), comprise a historical region in northern China along the Great Wall in present-day Beijing and Tianjin Municipalities and northern Hebei and Shanxi Province, that were ceded by the Shatuo Turk Emperor Shi Jingtang of the Later Jin to the Khitan Liao dynasty in 938. The subsequent Later Zhou and Song Dynasties sought to recover the ceded northern territories. Most of the Sixteen Prefectures including the two principal cities, Youzhou (also called Yanzhou, modern Beijing) and Yunzhou