The 2 major categories of software program are application software application as well as system software. The most usual kind of software application, application software program is a computer software program bundle that does a specific function for a customer, or in some cases, for one more application. System software http://www.tcytlongan.edu.vn/index.php?language=vi&nv=news&nvvithemever=d&nv_redirect=aHR0cHM6Ly9zb2Z0d2FyZS10b29sLmNvbQ