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Which is/are the basic I/O connections in file?

Which is/are the basic I/O connections in file? Correct Answer All of the mentioned

Standard input, standard output and standard error. Standard input is the data that goes to the program. The standard input comes from a keyboard. Standard output is where we print our data with the print keyword. Unless redirected, it is the terminal console. The standard error is a stream where programs write their error messages. It is usually the text terminal.

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