3.2 Data Types & Variables
3.2 Data Types & Variables
Imagine you're organizing a box of different things: some are numbers, some are words, and some are just "yes" or "no" answers. You wouldn't store a number in the same way you store a long story, right?
In programming, Data Types are like categories for the different kinds of information a computer can work with. They tell the computer what kind of data to expect (like a whole number, a decimal number, a letter, or a sentence) and how much space to set aside for it.
A Variable is like a named container or a labeled box in the computer's memory. You use variables to store data. When you create a variable, you have to tell the computer what type of data it will hold. This helps the computer understand how to handle the information.
For example, if you have a variable called age
, you'd tell the computer it's a number. If you have a variable called name
, you'd tell it it's text.
Understanding data types and variables is super important because they are the building blocks for storing and manipulating all the information in your programs!