Explore topic-wise MCQs in Technical MCQs.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.

1.

Note:Includes all required header filesusing namespace std; int main () { char fine, course; cout << "Enter a word: "; fine = cin.get(); cin.sync(); course = cin.get(); cout << fine << endl; cout << course << endl; return 0; } 10.ios::trunc is used for ?

A. If the file is opened for output operations and it already existed, no action is taken.
B. If the file is opened for output operations and it already existed, then a new copy is created.
C. If the file is opened for output operations and it already existed, its previous content is deleted and replaced by the new one.
D. None of the above
E.
Answer» D. None of the above
Discussion
2.

Note:Includes all required header filesusing namespace std; int main () { int l; char * b; ifstream i; i.open ("find.txt", ios :: binary ); i.seekg (0, ios :: end); l = i.tellg(); i.seekg (0, ios :: beg); b = new char [l]; i.read (b, l); i.close(); cout.write (b, l); delete[] b; return 0; } 9.What is the output of this program?

A. course
B. fine
C. Returns fine 2 letter or number from the entered word
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
3.

Which is correct syntax ?

A. myfile:open ("example.bin", ios::out);
B. myfile.open ("example.bin", ios::out);
C. myfile::open ("example.bin", ios::out);
D. myfile.open ("example.bin", ios:out);
Answer» C. myfile::open ("example.bin", ios::out);
Discussion
4.

Which of the following methods can be used to open a file in file handling?

A. Using Open ( )
B. Constructor method
C. Destructor method
D. Both A and B
Answer» E.
Discussion
5.

Which of these is the correct statement about eof() ?

A. Returns true if a file open for reading has reached the next character.
B. Returns true if a file open for reading has reached the next word.
C. Returns true if a file open for reading has reached the end.
D. Returns true if a file open for reading has reached the middle.
Answer» D. Returns true if a file open for reading has reached the middle.
Discussion
6.

Which stream class is to only write on files ?

A. ofstream
B. ifstream
C. fstream
D. iostream
Answer» B. ifstream
Discussion