7.A program to convert a lower case character to an upper case character of a text file. 8.A program to open a binary file for storing a set of numbers on a specified file. 9.A program to read the class...

7.A program to convert a lower case character to an upper case character of a text file.

8.A program to open a binary file for storing a set of numbers on a specified file.

9.A program to read the class object of student_info such as name, age, sex, height and weight from the keyboard and to store them on a specified file using read() and write() member functions. Again, the same file is opened for reading and displaying the contents of the file on the screen.