Computer Science for IGCSE & O level - Programming (Section 10 - No. 34)
Which of the following is a characteristic of a variable in a computer program?
It must be initialized with a constant value.
Its value can change during the execution of the program.
It cannot store data.
It is defined using a predefined keyword that doesn't require a data type
Giải thích
A variable's value is designed to be modifiable over the execution of a program.