Question Detail

What is use of eof() ?

Returns true if a file open for reading has reached the next character.
Returns true if a file open for reading has reached the next word.
Returns true if a file open for reading has reached the end.
Returns true if a file open for reading has reached the middle.

Answer: Option C

1. 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

2. eof() is used to get

easy code reivew
end of file
debug report
file close

Answer: Option B

3. Which stream class is to only read from files ?

ofstream
ifstream
fstream
iostream

Answer: Option B

4. 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.

5. How to get position n bytes forward in fileObject ?

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

Answer: Option C