System Software Application Software Language Program Utility Program

������ § System Software § Application Software § Language Program § Utility Program

DOS -- Disk Operating System Seattle Computer Products § IBM, PC-DOS § Microsoft, MS-DOS

�� Windows § GUI, WUI l point& click, drag and drop, dialog box, scrolling § Multitasking

�� Windows § ������ �� MS-DOS § Plug and Play (Multimedia( § Communication § Utility Programs § Accessibility

����� Control Panel

Control Panel