hexadecimal digit

1. The search order is determined by converting the requesting DHCP address into 8 hexadecimal digits and searching for the first matching filename in the configuration directory by expanding subnets& by removing a digit right-to-left on each pass of the search.
   搜索顺序的确定方法是：把请求DHCP地址转换成8个16进制数字，通过扩展子网对配置目录搜索第一个匹配的文件名（每一次搜索后从右到左删除一位数字）。
2. A group of four, i.e., four pulses used to express a decimal digit or a hexadecimal digit.
   4个数位一组，用以表示十进制或十六进制中的一位数字的4个脉冲。
3. This notation is equivalent to a bit-string constant with four binary digits for each hexadecimal digit.
   这种表示法等效于一个每个十六进制位四个二进制位的位串常量。

noun

1. a digit from 0 to 15 in hexadecimal notation