Call
whatsapp
9447387064 | 9847003556
0471-2335855 | 8089080088 | 0471-2334855
9447387064 | 9847003556
0471-2335855 | 8089080088 | 0471-2334855
Cisco Training in Trivandrum, Trinity Technologies

No.1 Training Institute in Kerala

C PROGRAM QUESTIONS : PART 26

If we have object from fstream class, then what will be the default mode of
opening the file?

ios::in|ios::out
ios::in|ios::out|ios::trunc
ios::in|ios::trunc
 Default mode depends on compiler
SHOW ANSWER

Which out of the following is return type of is_open() function.

int
 bool
float
char *
SHOW ANSWER

Which of the following is not used to seek a file pointer?

ios::cur
ios::set
ios::end
ios::beg
SHOW ANSWER

Which of the following options is in relevance to ios::trunc mode?

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 of the following option shows correct syntax for opening a file ?

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 of the following is correct syntax for closing a file in c++ ?

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

Which of the given options tells about the use of eof( ) stream function ?

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 of the following 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

which of the following is used for offset counted from the current position?

ios::curr
ios::cr
ios::cur
ios::current
SHOW ANSWER

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

ios::start
ios::beg
ios::begin
ios::beginning
SHOW ANSWER

Which of the 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

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

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
BACK | NEXT
TRINITY SOFTWARE SOLUTIONS,IInd floor, Radheyam Towers, Gandhari Amman Kovil Road, Pulimood, Trivandrum - 1
0471-2334855 | 2335855 | 9447387064 | 9847003556 info@trinitytechnology.in