单选题有以下程序#includevoidmain(){ unsignedchara=8,c; c=a3; printf(%d,c);}程序运行后的输出结果是(  )。A32B16C1D0

单选题
有以下程序 #include  void main() {  unsigned char a=8, c;  c = a>>3;  printf(%d,c); } 程序运行后的输出结果是(  )。
A

32

B

16

C

1

D

0


参考解析

解析:
字符常量与其ASCII码值一一对应,在计算的时候,可以使用该字符的ASCII码参与运算,输出时会根据格式控制符输出对应的字符或者ASCII码。右移运算符“>>”的运算规则是把左边运算数的各二进制位全部右移n位,n取决于“>>”右边的数值。字符a的ASCII码值为8,对应二进制为1000,所以a>>3=1,输出的字符c的ASCII码值为1,答案选择C选项。

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