MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your C++ Programming knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is used to move the file pointer to start of a file? |
| A. | ios::beg |
| B. | ios::start |
| C. | ios::cur |
| D. | ios::first |
| Answer» B. ios::start | |
| 2. |
Which function is used to reposition the file pointer? |
| A. | moveg() |
| B. | seekg() |
| C. | changep() |
| D. | go_p() |
| Answer» C. changep() | |
| 3. |
Which function is used in C++ to get the current position of file pointer in a file? |
| A. | tell_p() |
| B. | get_pos() |
| C. | get_p() |
| D. | tell_pos() |
| Answer» B. get_pos() | |
| 4. |
Which of the following is the default mode of the opening using the fstream class? |
| A. | ios::in |
| B. | ios::out |
| C. | ios::in|ios::out |
| D. | ios::trunc |
| Answer» D. ios::trunc | |
| 5. |
Which of the following is the default mode of the opening using the ifstream class? |
| A. | ios::in |
| B. | ios::out |
| C. | ios::app |
| D. | ios::trunc |
| Answer» B. ios::out | |
| 6. |
Which of the following is not used to seek file pointer? |
| A. | ios::set |
| B. | ios::end |
| C. | ios::cur |
| D. | ios::beg |
| Answer» B. ios::end | |
| 7. |
What is the return type open() method? |
| A. | int |
| B. | char |
| C. | bool |
| D. | float |
| Answer» D. float | |
| 8. |
Which of the following is the default mode of the opening using the ofstream class? |
| A. | ios::in |
| B. | ios::out |
| C. | ios::app |
| D. | ios::trunc |
| Answer» C. ios::app | |
| 9. |
What is the use of ios::trunc mode? |
| A. | To open a file in input mode |
| B. | To open a file in output mode |
| C. | To truncate an existing file to half |
| D. | To truncate an existing file to zero |
| Answer» E. | |
| 10. |
By default, all the files in C++ are opened in _________ mode. |
| A. | Text |
| B. | Binary |
| C. | ISCII |
| D. | VTC |
| Answer» B. Binary | |
| 11. |
Which of the following is not used as a file opening mode? |
| A. | ios::trunc |
| B. | ios::binary |
| C. | ios::in |
| D. | ios::ate |
| Answer» B. ios::binary | |
| 12. |
Which of the following is used to create a stream that performs both input and output operations? |
| A. | ofstream |
| B. | ifstream |
| C. | iostream |
| D. | fstream |
| Answer» E. | |
| 13. |
Which of the following is used to create an output stream? |
| A. | ofstream |
| B. | ifstream |
| C. | iostream |
| D. | fsstream |
| Answer» B. ifstream | |
| 14. |
Which header file is required to use file I/O operations? |
| A. | <ifstream> |
| B. | <ostream> |
| C. | <fstream> |
| D. | <iostream> |
| Answer» D. <iostream> | |