There are four data type groups: 
-  Integer kepts whole numbers and signed numbers
-  Floating-point Stores real numbers (fractional values). Perfect for storing bank deposits where pennies (fractions of a dollar) can rapidly add up to a few dollars. 
-  Character kepts a character. Ideal for storing names of things. 
-  Boolean Stores a true or false value. The correct choice for storing a yes or no