The data type in C programming defines the amount of storage allocated to variables ,the values that they can accept ,and the operation that can be performed on those variables
A data type defines a collection of data values and a set of predefined operations on those values.
Data type is classification of a particular type of information.
Data types are essential to any computer programming language.
Without data type, it becomes very difficult to maintain information within a computer program.
Different data types have different sizes in memory depending on the machine and compilers.