Multiple choice

Opening a file in ios::out mode also opens it in the __________ mode by default.

  1. ios::app

  2. ios::in

  3. ios::trunc

  4. ios::nocreate
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When a file is opened in ios::out mode, it is opened for writing. By default, this mode also includes ios::trunc, which clears the file contents if it already exists.

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