A variable, in the context of programming, is a symbolic name given to an unknown quantity that permits the name to be used independent of the information it represents. Variables are associated with data storage locations, and values of a variable are normally changed during the course of prog...
In programming, a variable that can hold only true or false values is called a ___. A. string variable B. boolean variable C. integer variable D. float variable 相关知识点: 试题来源: 解析 B。本题考查编程中的变量类型。boolean variable(布尔变量)只能存储 true 或 false 值。string variable...
In programming, a variable is often used to: A. Store a fixed value that never changes. B. Perform a specific operation on a constant. C. Store a value that can change as the program runs. D. Define the structure of a program. ...
What is a variable declaration? A variable declaration is a statement that sets the name of a variable and its data type. It also provides information about where the variable should be stored in memory. This process can include initializing the variable with an initial value, although that is...
What are Variables in C Programming Variablesare used to store data values that can be modified while the program is running. A variable has a data type, which defines the kind of data that can be stored in it, and a name, which is used to identify the variable. ...
What is a Variable? Avariableis a C Programming container that holds a data value that can be used in a program and must be declared before a program. Thevariabledeclaration defines its type and name. There are several data types in C programming, such as int, char, and float; these da...
A. 123variable(123 变量) B. my_variable(我的变量) C. this is a variable(这是一个变量) D. variable@(变量@) 相关知识点: 试题来源: 解析 B。在编程中,变量名通常由字母、数字和下划线组成,且不能以数字开头,不能包含空格和特殊字符。选项 A 以数字开头错误;选项 C 有空格错误;选项 D 有特殊字...
A. function B. variable C. loop D. condition 相关知识点: 试题来源: 解析 B。本题考查编程中的常见词汇。选项 A“function”是函数的意思;选项 B“variable”是变量,用于存储数据;选项 C“loop”是循环的意思;选项 D“condition”是条件的意思。所以正确答案是 B。反馈...
In C programming, a Constant holds a value that doesn't change, while a Variable can have its value modified during execution.
If we don't assign the value at the time of declaration, the garbage value is assigned by the compiler What are the rules for naming a variable?In C++ programming language, there are rules for defining variables, which are as follows: ...