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Each variable in C has an associated data type. Each data type requires different amounts of memory and has some specific operations which can be performed over it. It specifies the type of data that the variable can store like integer, character, floating, double, etc. In C data types are broadly classified into 4 categories:
Primitive data types: Primitive data types can be further classified into integer, and floating data types.
Void Types: Void data types come under primitive data types. Void data types provide no result to their caller and have no value associated with them.
User Defined data types: These data types are defined by the user to make the program more readable.
Derived data types: Data types that are derived from primitive or built-in data types.
There are four basic data types in C programming, namely Char, Int, Float, and Double. What do signed and unsigned signify in C programming? In the C programming language, the signed modifier represents both positive and negative values while the unsigned modifier means all positive values