The two main categories of software program are application software program as well as system software application. The most typical type of software, application software program is a computer system software program bundle that carries out a particular function for a customer, or in some instances, for one more application. http://truongvietducthainguyen.edu.vn/index.php?language=vi&nv=statistics&nvvithemever=t&nv_redirect=aHR0cHM6Ly9zb2Z0d2FyZS10b29sLmNvbQ