2. Copyright Prentice-Hall, Inc. 2001 The Windows Environment Chapter 2

3. 8-2 The Windows Environment LEARNING OBJECTIVES Once you have read and studied this chapter, you will have learned: The purpose and objectives of an operating system, the program that controls all activities within a computer system (Section 8.1). What a PC platform is and what platforms are commonly used in the PC world (Section 8.2). The concepts and terminology that you need to make effective the use of Windows 9x/Me/NT/2000 operating systems (Section 8.3). How information is passed between and shared among applications in the Windows environment (Section 8.4). Important concepts related to interaction with PCs and PC software, including hard- are/ software installation, help, and power-up/shut down (Section 8.5).

4. 8-3 Opening the Window... Monthly Technology Update Registered trademark of Microsoft Corp.

5. 8-4 Software Categories SystemSoftware ApplicationSoftware

6. 8-5 The Operating System OperatingSystem GUI

7. 8-6 Operating System: Objectives l Facilitate communication l Maximize throughput l Minimize processing time l Optimize computer resources l Organize files l Provide security l Monitor system/alert user

8. 8-7 The Operating System: Features Operating Systems KernelKernel MultitaskingMultitasking ForegroundForeground BackgroundBackground

9. 8-8 The Operating System: Features (cont.) l All hardware and software are under the control of the operating system. The operating system: Facilitates communication between the computer system and the people who run it. Facilitates communication between the computer system and the people who run it. Facilitates communication among computer system components. Facilitates communication among computer system components. Maximizes throughput. Maximizes throughput. Minimizes the time needed to execute a user command. Minimizes the time needed to execute a user command. Optimizes the use of computer system resources. Optimizes the use of computer system resources.

10. 8-9 The Operating System: Features (cont.) Keeps track of all fields in disk storage. Keeps track of all fields in disk storage. Provides an envelope of security for the computer system. Provides an envelope of security for the computer system. Monitors all system capabilities and alerts the user of system failure or potential problems. Monitors all system capabilities and alerts the user of system failure or potential problems. Determines how valuable RAM is allotted to programs. Determines how valuable RAM is allotted to programs. Performs tasks related to file management. Performs tasks related to file management. Sets priorities for handling tasks. Sets priorities for handling tasks. Manages the flow of instructions, data, and information to and from the processor. Manages the flow of instructions, data, and information to and from the processor.

11. 8-10 The Operating System: Interfaces MS-DOSSyntax Text-Based, Command-Driven Software Windows 9x/Me/NT/2000 Graphical User Interface (GUI) Icons Graphics-Based Software

12. 8-11 Platforms l Legacy PC-Compatible l Current PC-Compatible l Apple Macintosh with Mac OS l Unix and Linux Platform is defined by the Processor and Operating System Platform is defined by the Processor and Operating System

13. 8-12 PC Platforms: Legacy Systems l MS-DOS l MS-DOS with Windows l Windows 95, 98 and NT Registered trademark of Microsoft Corp.

14. 8-13 PC Platforms: Current Windows Systems l Plug-and-Play l 32-bit Programs l Windows ME (Millennium Edition) l Windows NT (now 2000) u Windows 2000 Professional u Windows 2000 Server l Windows CE Registered trademark of Microsoft Corp.

15. 8-14 Platform Problems Long-term Commitment Multiplatform Environment Cross-Platform Technologies InteroperabilityInteroperability

16. 8-15 Windows: Concepts & Terminology l Windows 2000: Help l Non-Windows Applications l Windows Applications l Cursor Control Devices (CCDs) l Shortcut Keys l Hotkeys l Wizards The Windows Environment

17. 8-16 Watch out for those Virus Bugs !!

18. 8-17 Windows 98/Me/2000 vs. Windows 95 l Easier to Use l Web Page-oriented Interface l Improved Performance l Fully Integrated with Internet l Enhanced Reliability l Supports USB, DVD, AGP and Enhanced Television

19. 8-18 The Desktop l Start Button l Taskbar l Programs l Folder Starting a Session l Application Window l Open Application l Active Window The Window

20. 8-19 The Desktop l Document Windows l Scroll Bars l Title Bar u Minimize u Maximize u Restore u Close l Menu Bar u Pull-down u Pop-out u Floating u Mnemonic l Dialog Box l Toolbar & Ruler Bar

21. 8-20 Dialog Box Features l Tabs l Text Box l Command Button l List Box l Drop-down List Box l Drop-down Color Palette l Radio Button

22. 8-21 Icons l Windows Explorer l Application Icons l Shortcut Icons l Document Icons l Disk-Drive Icons

23. 8-22 Viewing Windows l Run in a Window vs. Full-Screen l Cascading & Tiled Windows l Switching Between Windows u Foreground vs. Background l Terminating Session u File/Save u Close all Windows u Start button then Shut Down

24. 8-23 Sharing Information l The Clipboard u Source Application u Destination Application l OLE u Compound Document u Object Linking u Object Embedding u Server Application u Client Application

25. 8-24 Interacting with the PC l Hardware Installation l Software Installation u Default Options u Help Command l Power Up/Shut Down u Power Up - System Boot u System Check u Shut Down/Exit Routine Serendipitous Surfing: Travel

26. End of Chapter 2 Interactive Study Guide Copyright Prentice-Hall, Inc. 2001