02 信息的编码

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,信息的编码,常州聋校,信息的编码,计算机,电视机,摄像机,因特网,视频采集卡,录音笔,相片,扫描仪,杂志,电子收款机,二进制,传统十进制,1,2,3,4,5,6,7,8,9,0,6,7,13,（逢十进一）,六十进制（时间,）,45,分,30,分,1,小时,15,分（逢六十进一）,二进制,只有,0,和,1,运算规则：逢二进一,例如：,0,0,0 0,1,1,1,0,1 1,1,10,二进制,比一比,二进制 十进制,1,1,10,10,11,11,10,2,100,20,110,22,字符编码,ASCII,码（,1,个字节）,1,、人为规定，一一对应，,1,个字符,1,个,ASCII,码,1,个字节,2,、用,7,位二进制，共,128,个编码，按照顺序排列,字符编码,ASCII,码举例,字符,十进制,二进制,空格,32,00100000,0,48,00110000,A,65,01000001,a,97,01100001,字符编码,汉字编码（,2,个字节）,1,、汉字采用,GB2312,编码（,16,位二进制表示），一个汉字占用,2,个字节。,2,、例如,:”,中”为,:0011011000110000,3,、有,GB2312-1900,、,BIG-5,、,CJK,字符集等,字符编码,多媒体信息编码,主要通过采样、压缩等手段进行数字化。,字符编码,字符编码,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,0,0,0,0,1,1,1,1,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,1,1,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,欣赏,欣赏,欣赏,欣赏,欣赏,http:/,