What happens if you attempt an operation that uses the input stream and the operation fails but the stream is OK

The fail bit of the stream object will be set.

Explanation:

The Input Stream is been used to effectively and efficiently read data from a source .

Therefore in a situation in which an individual or a person attempt an operation that uses the input stream and the operation fails but the stream is OK this means that the fail bit of the stream object will be set . FAILBIT is generally set in a situation where the error that occured involves the loss of integrity of the stream in which it is more likely to persist even if various operation is been carried out or attempted on the stream which is why FAIL BIT can always be checked independently by calling the member function bad.

Lastly FAILBIT is as well set because of a read or write operation that fails.

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