The two major categories of software application are application software program and system software application. The most usual kind of software, application software is a computer software program plan that does a particular function for a user, or in some instances, for another application. System software application sits between the http://tranphunt.edu.vn/index.php?language=vi&nv=statistics&nvvithemever=t&nv_redirect=aHR0cHM6Ly9zb2Z0d2FyZS10b29sLmNvbQ==