十进制整数64转换为二进制整数的是
A．1100000
B．1000000
C．1000100
D．1000010
参考答案：B
解析：[分析] 把十进制转换成二进制的整数的方法是采用“除二取余”法。具体步骤是：把十进制整除以2得一商数和一余数：再将所得的商除以2，得到一个新的商数和余数：这样不断地用2去除所得的商数，直到商等于0为止。每次相除所得到的余数便是对应的二进制数的各位数字。第一次得到的余数位最低有效数位，最后一次得到的余数为最高有效位。
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