1.

2.

( Operating System : OS)

( Disk Operating System : DOS) ( Windows) ( OS/2)( UNIX)

3.

DOS

Windows

OS/2

Unix

4. Windows 5.

Windows

Start -

Desktop -Windows

Task Bar -

Icons - ( Windows 98)My Computer

6.

MyDocument

Internet ExplorerWWW

Recycle Bin

Outlook Express -

Network Neighborhood

7.

- Windows

Open Windows - Windows

Close Windows -StartShut down Shut down

8. - Windows

ShutdownWindows XP ShutdownWindows ME

StartShutdown

9.

Windows ME 95, 98 - Shutdown : - Restart :windows( windows)- Stand by :

Windows( Shutdown power Monitor Monitor )

10. Windows 11.

Background -Wallpaper Desktop

Screen Saver - Screen Saver

Appearance - ( )

Effects -

Web -DesktopWeb

Settings -

12.

Background

Background

Select a background picture

Browse Wallpaper

13.

Settings

Settings

256

Screen Area 800 by 600

14. Control Panel 15.

Control Panel

Start

Settings

Control Panel

Control Panel Add/Remove Program ,Add New Hardware

16. Desktop

F2

Del

17.

Arrange Icons

Name, Type, Size, Date Auto Arrange

Properties Change Icon

18. 19. 20.

21.

22.

( Ethernet)

( Bus)

( Coaxial Cable)

( Unshielded twisted pair : UTP)

23.

24.