Identify the following with the help of given example.
It is just like the principal of your school. The principal has various responsibilities to manage the school, like supervising students, teachers, maintaining discipline, setting the examination schedule, timetable, curriculum, etc. In the same way, it performs various functions to manage the working of a computer.
A Operating system such as Windows 7
B Application system such as Android
C System program such as Google Chrome
D Management system such as Word Processor