The 2 major groups of software program are application software application and system software. The most usual kind of software, application software application is a computer software program plan that carries out a details feature for a user, or in some cases, for an additional application. System software program sits http://nguyendunt.edu.vn/index.php?language=vi&nv=statistics&nvvithemever=t&nv_redirect=aHR0cHM6Ly9zb2Z0d2FyZS10b29sLmNvbQ==