经统计，某机器14条指令的使用频度分别为：0.01,0.15,0.12,0.03,0.02,0.04,0.02,0.04,0.01,0.13,0.15,0.14,0.11,0.03。分别求出用等长码、Huffman码、只有两种码长的扩展操作码3种编码方式的操作码平均码长。 解： 等长操作码的平均码长=4位 Huffman编码的平均码长=3.38位 只有两种码长的扩展操作码的平均码长=3.4位。 9．若某机要求：三地址指令4条，单地址指令255条，零地址指令16条。设指令

王健林身家达381亿美元 超越李嘉诚居亚洲首富】根据彭博华人富豪榜和亚洲富豪榜截至5月1日的数据,王健林以381亿美元的身家超过李嘉诚,成为新的华人首富兼亚洲首富。-Wang jianlin was worth $38.1 billion Beyond the li ka shing in Asia s richest man 】 according to the list of Peng Bohua and Asia s rich list, as of May 1, Mr Wang with

Panel Brand, AUO. Panel Model, H163QLN01.0. Panel Type, AM-OLED , OLED. Panel Size, 1.63. Resolution, 320(RGB)×320 , HSVGA. Active Area, 29.28×29.28 mm. Outline, 32.08×36.48×1.38 mm. Surface. Brightness, 300 cd/m² (Typ.) Contrast Ratio, 10000 : 1 (Mi