Operating System Classifications

Operating System Classifications

Classification 1
Single user (Single taking) E.g.: PC DOS(IMB), MS DOS(MIC)	Single user (Multi taking) E.g.: Win98, Mac,		Multi user (Multi taking) E.g.: OS-400, Unix, Xp, Vista, 200
Classification 2
CLI(Command Line Interface E.g.: Dos, Unix		GUI(Graphical User Interface) E.g.: Win, Mac
Classification 3
Desktop Operating System E.g.: Win 9x, Xp		NOS(Network Operating System) E.g.: Win NT, 2000, 2003

Internal & External Components of a PC

Components of a PC Internal                          External
Motherboard	Monitor
Processor	Keyboard
Hard Disk	Mouse
Floppy Disk Drive	Speaker
CD ROM	CPU
VGA Adapter	Printer
Modem	Scanner
Sound Card	Web cam
Network Adapter	Light pen