significant digit

Which step is designed to prompt a user to press or say a single-digit number to perform a specific function? （） A: Menu   B: Get Digit String   C: Get Call Contact Info   D: Extended Get Digit String

（ ）是二进制(Binary Digit)的缩写，即计算机中常用的术语“位”。

input组件属性type的有效值包括()。 A: text B: number C: idcard D: digit

input组件的type类型有（多选题）（ ） A: text B: numbe C: idcard D: digit

以下哪些正则表达式，包含了数字？ A: \\p{Digit} B: [0-9] C: \\p{Alnum} D: [a-zA-Z]

A bit (short for binary digit), the smallest data unit in a computer, has a single binary value of either 0 or 1. （ ）

Which of the following items is a General IT control? A: Check digit B: Range check C: Control total D: Software update

input组件中不属于type合法值的是（） A: text B: password C: number D: digit

中国大学MOOC: English and Chinese have great differences in the expression of numbers, which is mainly reflected in their different ways of segmentation. In English every ______ single digit is put in a segment, and each segment is denoted by words like "thousand", "million", "billion" and "trillion" from low to high. In Chinese, every four single digit is put in a segment.