istream ostream Classes MCQs Test Online PDF Download

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MCQ on istream ostream Classes Quiz PDF Download

MCQ: Unformatted input functions are handled by

  1. ostream class
  2. instream class
  3. istream class
  4. bufstream class


MCQ: Istream class defines the

  1. Cin objects
  2. Stream extraction operator for formatted input
  3. Cout objects
  4. Both A and B


MCQ: A class that defines cout, cerr, and clog objects and stream insertion operator, is called

  1. istream
  2. ostream
  3. fstream
  4. kstream


MCQ: I/O operations that use extraction and insertion operators, are called

  1. Formatted I/O
  2. Formatted strings
  3. Formatted flags
  4. All of them