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 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

2. 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

3. How to find the position at end of fileObject ?

fileObject.seekg( 0, ios::end );
fileObject.seekg( 0, ios::end );
fileObject.seekg( 0, ios::end );
fileObject.seekg( 0, ios::end );

Answer: Option A

4. ios::trunc is used for ?

If the file is opened for output operations and it already existed, no action is taken.
If the file is opened for output operations and it already existed, its previous content is deleted and replaced by the new one.
If the file is opened for output operations and it already existed, then a new copy is created.
None of above

Answer: Option B

5. 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

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