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C++ - QUESTIONS : PART 31

eof() is used to get

easy code reivew

end of file

debug report

file close
SHOW ANSWER

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.
SHOW ANSWER

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

ios::start

ios::beg

ios::begin

ios::beginning
SHOW ANSWER

offset counted from the current position using ?

ios::curr

ios::cr

ios::cur

ios::current
SHOW ANSWER

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);
SHOW ANSWER

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

True

False
SHOW ANSWER

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 );
SHOW ANSWER

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()
SHOW ANSWER

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
SHOW ANSWER

Which stream class is to only write on files ?

ofstream

ifstream

fstream

iostream
SHOW ANSWER

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
SHOW ANSWER

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.
SHOW ANSWER

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

ios::start

ios::beg

ios::begin

ios::beginning
SHOW ANSWER

offset counted from the current position using ?

ios::curr

ios::cr

ios::cur

ios::current
SHOW ANSWER

.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);
SHOW ANSWER

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

os:app

ios::out

ios::in

ios::binary
SHOW ANSWER

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 );
SHOW ANSWER

Which stream class is to only read from files ?

ofstream

ifstream

fstream

iostream
SHOW ANSWER
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