Variables and Constants Flashcards

A named storage location in memory that can hold a value which may change during program execution.

A named storage location in memory that holds a value which cannot change during program execution.

To store data that can be used and modified during the execution of a program.

To store data that remains the same throughout the execution of a program, improving readability and reducing errors.

Creating a variable by specifying its name and optionally assigning it an initial value.

Creating a constant by specifying its name and assigning it a value that cannot be changed.

score = 0 (a variable named 'score' is created and assigned the value 0).

PI = 3.14 (a constant named 'PI' is created and assigned the value 3.14).

Improves code readability, prevents accidental changes, and makes updates easier if the value needs to be changed in the future.

Variables can change their value during program execution, while constants cannot.