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  • Data types means to identify the type of data and associated operation of handling it.

  • C++ has three types of data types. They are basic datatype, derived data type and user defined data type.

  • The basic data types are int, float, char, double and void.

  • Derived data types are pointers, array and function.

  • User defined data types are enumerated data types, structure and union.

  • Variables are storage location.

  • Setw(), setprecision() and setfill() are manipulators used for output data

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