What is a variable in computer class?

What is a variable in computer class?

Variables are used to store information to be referenced and manipulated in a computer program. They also provide a way of labeling data with a descriptive name, so our programs can be understood more clearly by the reader and ourselves.

What is an example of a variable in computing?

A variable is something that can be changed. In computer programming we use variables to store information that might change and can be used later in our program. For example, in a game a variable could be the current score of the player; we would add 1 to the variable whenever the player gained a point.

What is variable science?

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A variable is anything that can change or be changed. In other words, it is any factor that can be manipulated, controlled for, or measured in an experiment.

What is variable in computer science class 12?

Answer. A variable represents a memory location through a symbolic name which holds a known or unknown value of a particular data type. This name of the variable is used in the program to refer to the stored value.

Why are variables called variable?

A variable represents a concept or an item whose magnitude can be represented by a number, i.e. measured quantitatively. Variables are called variables because they vary, i.e. they can have a variety of values.

What is another word for variables?

In this page you can discover 100 synonyms, antonyms, idiomatic expressions, and related words for variable, like: variables, unpredictable, inconsistent, change, irregular, fitful, parameter, unsteady, alterable, mutable and ticklish.

What are the variables in a study?

A variable in research simply refers to a person, place, thing, or phenomenon that you are trying to measure in some way. The best way to understand the difference between a dependent and independent variable is that the meaning of each is implied by what the words tell us about the variable you are using.

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What is variable Class 8 computer?

What is variable name?

A Variable name is used to refer to a variable (column of the data matrix) for all commands dealing with data in SPSS. Variable names must be unique in a Dataset. Variable names are up to 64 characters long and can only contain letters, digits and nonpunctuation characters (except that a period (.) is allowed.

What is the opposite of variables?

variablenoun. Antonyms: constant, invariable, unchangeable, unalterable, immutable, unchanging.

What are the types of variables in a computer?

Types of Variables Independent Variable: The independent variable is the one condition that you change in an experiment. Dependent Variable: The dependent variable is the variable that you measure or observe. Controlled Variable: A controlled variable or constant variable is a variable that does not change during an experiment.

What are basic variables?

A variable is a basic variable if it corresponds to a pivot column. Otherwise, the variable is known as a free variable. In order to determine which variables are basic and which are free, it is necessary to row reduce the augmented matrix to echelon form. For instance, consider the system of linear equations.

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What are invariants in Computer Science?

Invariants in computer science. It is a logical assertion that is always held to be true during a certain phase of execution. For example, a loop invariant is a condition that is true at the beginning and end of every execution of a loop.

What is an example of variable in science?

The definition of an independent variable is a factor that does not change in value based on other factors. An example of an independent variable is a temperature that stays constant during a science experiment.