On computers, variables are used in a similar way.įor instance, any person with a user account on a computer has a home directory where the computer keeps their personal data. ![]() The make and model is sure to change over the course of your life as you replace an old car with a new one, but by creating the variable "my car" you don't have to ramble on about what kind of car you currently happen to own every time you want to refer to your vehicle. When you say "my car", you're using "my car" as a sort of variable that refers to whatever car you happen to own at the time. You use variables every day in normal speech, although you don't think of them as variables. In computing, a variable is a word that stands in for a value that can change.
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