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...
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A. The variable that is being measured. B. The variable that is manipulated by the researcher. C. A constant value. D. A research method. 相关知识点: 试题来源: 解析 B。选项 A,被测量的是因变量,不是自变量。选项 C,自变量不是常量值。选项 D,自变量不是研究方法。反馈...
Variables: what is dirty, what is clean, what I want to buy, number of shoes, number of socks, etc. Each variable holds a specific type of information. The first time you use a variable, you set its type. From that point on, you can store only information of that type in that var...
Objective - To recognize and evaluate variable expressions and basic formulas. What is a variable? A variable represents an unknown value. 1) 3 + ___ = 10 2) 6 + = 9 These are all variables 3) 8 + x = 12 4) 5 + = 8
What is a variable? (in nursing research)Beyea, Suzanne CNicoll, Leslie H
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 ...
A variable might stand for a range of numbers that can be used in a mathematical expression; a variable might be used in a universal statement that is true for all numbers; or a variable might stand for a specific value such as the solution to an equation or word problem. ...
What is a Variable? The definition of a variable changes depending on the context. Typically, a letter represents them, and it stands in for a numerical value. In algebra, a variable represents an unknown value that you need to find. For mathematical functions and equations, you input their...
百度试题 题目下列( )是不合法的变量名。 A. 2variable B. variable2 C. whatavariable D. $another 相关知识点: 试题来源: 解析 A.2variable 反馈 收藏