If we want to store an array of structures into a disk file
     If we want to store an array of structures into a disk file, what file type should we choose?  structure file  binary file  array file  text file 
  
  Solution
if we want to store an array of structures into a disk file, what file type should we choose
sol: binary file
Binay files are similar to array of structures, byb using you can jump to any structure in file which will give
 random access you can also change the contents of structure anywhere in file

