题目详情

若信息码字为111000110,生成多项式,则计算出的CRC校验码为(  )。

  • A.01101
  • B.11001
  • C.001101
  • D.011001

正确答案及解析

正确答案
B
解析

生成多项式的最高幂次为5,表示校验码位数是5位,生成多项式的二进制表示为101011,用11100011000000除以生成多项式所对应的二进制数101011,得到的余数为校验码11001。

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