1. A+ Guide to Managing and Maintaining your PC, 6e Chapter 2 Introducing Operating Systems

5. Figure 2-1 Users and applications depend on the OS to relate to all applications and hardware components

7. Figure 2-3 Windows 3.x was layered between DOS and the user and applications to provide a graphics interface for the user and a multitasking environment for applications

9. Figure 2-5 Windows 9x/Me is the bridge from DOS to Windows NT

13. Figure 2-8 The Windows XP desktop and Start menu

20. Figure 2-10 The Mac OS X desktop is intuitive and easy to use

23. Figure 2-11 Inside an operating system, different components perform various functions

25. Figure 2-12 Enter command lines in a Command Prompt window

26. Figure 2-13 A menu-driven interface: Windows Explorer in Windows XP

28. Figure 2-14 A hard drive or floppy disk is divided into tracks and sectors; several sectors make one cluster

30. Figure 2-15 A hard drive is organized into directories and subdirectories that contain files

32. Figure 2-18 Use the Windows 2000/XP Disk Management utility to see how a hard drive is partitioned

39. Figure 2-23 An OS relates to hardware by way of BIOS and device drivers

43. Figure 2-27 Protected mode allows more than one program to run, each protected from the other by the operating system

46. Figure 2-28 The Windows XP desktop and Start menu

48. Figure 2-41 Create a new file using Windows Explorer

52. Figure 2-47 Windows XP Device Manager gives information about devices and allows you to uninstall a device

55. Figure 2-51 Troubleshooter making a suggestion to resolve a problem with using the modem to connect to the Internet