The two main categories of software program are application software program and also system software program. The most usual type of software application, application software is a computer software program bundle that does a particular function for a customer, or in some instances, for one more application. System software application http://lythuongkiet-nuithanh.edu.vn/index.php?language=vi&nv=news&nvvithemever=t&nv_redirect=aHR0cHM6Ly9zb2Z0d2FyZS10b29sLmNvbQ/bGlzdD10aHJlYWQ