Which header file is required to use file I/O operations?

a) <ifstream>
b) <ostream>
c) <fstream>
d) <iostream>

1 thought on “Which header file is required to use file I/O operations?”

  1. c
    Explanation: header file is needed to use file I/O operations in C++. This header file contains all the file I/O operations definition.

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