Question Detail

Which among following is correct syntax of closing a file in c++ ?

myfile$close();
myfile@close();
myfile:close();
myfile.close();

Answer: Option D

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 is correct syntax ?

myfile:open ("example.bin", ios::out);
myfile.open ("example.bin", ios::out);
myfile::open ("example.bin", ios::out);
myfile.open ("example.bin", ios:out);

Answer: Option B

3. Which among following is correct syntax of closing a file in c++ ?

myfile$close();
myfile@close();
myfile:close();
myfile.close();

Answer: Option D

4. 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

5. 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.