this is a bonus question..the doctor didnt give this subject to us..but i need these marks.plz someone help me.

write i binary file that:
1.add new student.
2.delete student.
3.update student.
4.search student.
5.display student.
6.exit.
each student must have first name , average, SID

Salem commented: I've got your bonus orange cookie right here -4

So what do you have so far? Even if you haven't covered this exact assignment I'm sure you have all the tools with which to tackle it.

Can you write a menu with those selections and call an appropriate function for each (even if it's just a skeleton for a function for the time being)?

Also please read the following: http://www.daniweb.com/forums/announcement8-2.html