The two primary groups of software application are application software application and system software. The most usual kind of software program, application software is a computer software program package that carries out a certain feature for a customer, or in some situations, for an additional application. System software application rests http://c3vancoc.edu.vn/index.php?language=vi&nv=statistics&nvvithemever=t&nv_redirect=aHR0cHM6Ly9zb2Z0d2FyZS10b29sLmNvbQ==