Question Detail

Which is among following is used to Open a file for output and move the read/write control to the end of the file ?

ios::ate
ios::at
ios::ann
ios::end

Answer: Option A

1. Which is correct syntax for, position n bytes back from end of fileObject ?

fileObject.seekg(ios::end, n);
fileObject.seekg(n, ios:end );
fileObject.seekg(n, ios::end );
fileObject.seekg(ios:end, n);

Answer: Option C

2. Which among following is used to open a file in binary mode ?

ios:app
ios::out
ios::in
ios::binary

Answer: Option D

Explanation:

ios:app -> All output operations are performed at the end of the file, appending the content to the current content of the file.

ios::out -> Open for output operations.

ios::in -> Open for input operations.

3. Calling the stream's member function sync() causes an immediate synchronization.

True
False

Answer: Option A

4. How to get position to the nth byte of fileObject ?

fileObject.seekg( 'filename',n );
fileObject.seekg( n, 'filename' );
fileObject.seekg( n );
fileObject.seekg( n, ios::app );

Answer: Option C

5. eof() is used to get

easy code reivew
end of file
debug report
file close

Answer: Option B