Astring variableholds a string of alphanumeric characters. Examples: a person’s name, a password, the day of the week ABoolean variablehas only two possible values: true or false. Examples: Is it daytime? Is the game over? In MakeCode, aposition variableis a special kind of variable that...
A. The variable that is changed by the experimenter. B. The variable that changes in response to the independent variable. C. The variable that is kept the same. D. The variable that is not important. 相关知识点: 试题来源: 解析 A。在实验中,自变量是由实验者改变的变量。选项 B 是因变量...
What is a variable used for in programming? A. To store a value. B. To execute a function. C. To create a loop. D. To define a class. 相关知识点: 试题来源: 解析 A。变量在编程中是用来存储一个值的。B 选项执行函数不是变量的作用。C 选项创建循环也不是变量的功能。D 选项定义类也...
What type of variable is: number of car accidents reported in your city? A.Attribute B.Continuous C.Discrete D.Qualitative 点击查看答案&解析 你可能感兴趣的试题 单项选择题 我国历史上完成奴隶制向封建制过渡的主要形式是( ) A. 战争 B. 变法 C. 争鸣 D. 统一 点击查看答案&解析 单项选择...
There are two types of variables: Dependent Variables and Independent variables.Dependent VariablesThe dependent variable is a variable whose value is determined by the quantity another variable takes. For instance, in the equation y = 2x + 3, x can take any value, like 1, 2, 3. However, ...
D. A variable is used for input while a constant is used for output. 相关知识点: 试题来源: 解析 B。变量和常量的主要区别是变量的值可以改变而常量不能。选项 A 变量和常量都可以存储数字和字符串;选项 C 常量和变量的声明位置不是主要区别;选项 D 变量和常量不是分别用于输入和输出。反馈 收藏 ...
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What type of variable is: number of car accidents reported in your city? A.Attribute B.Continuous C.Discrete D.Qualitative 点击查看答案 你可能感兴趣的试题 单项选择题 借贷记账法下,账户发生额平衡法的理论依据是( )。 A. “资产=负债+所有者权益”的平衡关系 B....
Types of variable costs Common variable cost examples include: Raw materials. If you’re manufacturing your own product, these costs are allocated to the materials you purchase in order to produce the goods. This is a variable cost that should remain fairly consistent. Sales commissions. If you...
What is state variable? 什么是状态变量?相关知识点: 试题来源: 解析 答:构成控制系统状态的变量 A set of variables which number is minimum but are sufficient to characterize the motion state of the system are called state variables.反馈 收藏 ...