Question Detail

Which stream class is used to both read and write on files ?

  • ofstream
  • ifstream
  • fstream
  • iostream

Answer: Option C
Similar Questions :

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 functions allow to change the location of the get and put positions ?

  • sg() and sp()
  • sekg() and sekp()
  • gog() and gop()
  • seekg() and seekp()

Answer: Option D

3. Which among is used for positioning relative to the beginning of a stream ?

  • ios::start
  • ios::beg
  • ios::begin
  • ios::beginning

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

  • True
  • False

Answer: Option A

Read more from - C++ File Handling Questions Answers