Copyright Prentice-Hall, Inc. 2001

The Windows Environment

Chapter 2

8-2The Windows The Windows EnvironmentEnvironment

LEARNING OBJECTIVESOnce 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).

8-3Opening the Window...Opening the Window...

Monthly Monthly Technology Update Technology Update

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8-4Software CategoriesSoftware Categories

SystemSystemSoftwareSoftware

ApplicationApplicationSoftwareSoftware

8-5The Operating The Operating

SystemSystem

OperatingOperatingSystemSystem

GUI

8-6Operating System:Operating System:

ObjectivesObjectives Facilitate communicationFacilitate communication Maximize throughputMaximize throughput Minimize processing timeMinimize processing time Optimize computer resourcesOptimize computer resources Organize filesOrganize files Provide securityProvide security Monitor system/alert userMonitor system/alert user

8-7

The Operating The Operating System:System:FeaturesFeatures

Operating SystemsOperating Systems

KernelKernelKernelKernel

MultitaskingMultitaskingMultitaskingMultitasking

ForegroundForegroundForegroundForeground

BackgroundBackgroundBackgroundBackground

8-8

The Operating The Operating System:System:

FeaturesFeatures (cont.) (cont.) All hardware and software are under the control of All hardware and software are under the control of

the operating system. The operatingthe operating system. The operating system:system:• • Facilitates communication between the computerFacilitates communication between the computer

system and the people who run it.system and the people who run it.• • Facilitates communication among computer system Facilitates communication among computer system

components.components.• • Maximizes throughput.Maximizes throughput.• • Minimizes the time needed to execute a userMinimizes the time needed to execute a user

command.command.• • Optimizes the use of computer system resources.Optimizes the use of computer system resources.

8-9

The Operating The Operating System:System:

FeaturesFeatures (cont.) (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 Provides an envelope of security for the computer

system.system.• • Monitors all system capabilities and alerts the user of Monitors all system capabilities and alerts the user of

system failure orsystem failure or potential problems.potential problems.• • Determines how valuable RAM is allotted toDetermines how valuable RAM is allotted to

programs.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, andManages the flow of instructions, data, and

information to and from the processor.information to and from the processor.

8-10

The Operating The Operating System:System:

InterfacesInterfaces

MS-DOSMS-DOSSyntaxSyntax

Text-Based, Command-Driven Software

Windows 9x/Me/NT/2000Windows 9x/Me/NT/2000Graphical User Interface (GUI) Graphical User Interface (GUI)

IconsIcons

Graphics-Based Software

8-11Platforms Platforms

Legacy PC-CompatibleLegacy PC-Compatible Current PC-CompatibleCurrent PC-Compatible Apple Macintosh with Mac OSApple Macintosh with Mac OS Unix and LinuxUnix and Linux

Platform is defined by the Processor and Operating System

Platform is defined by the Processor and Operating System

8-12PC Platforms:PC Platforms:

Legacy Systems Legacy Systems MS-DOSMS-DOS MS-DOS with WindowsMS-DOS with Windows Windows 95, 98 and NTWindows 95, 98 and NT

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8-13PC Platforms: Current PC Platforms: Current

Windows Systems Windows Systems Plug-and-Play Plug-and-Play 32-bit Programs32-bit Programs Windows ME (Millennium Edition)Windows ME (Millennium Edition) Windows NT (now 2000)Windows NT (now 2000)

Windows 2000 ProfessionalWindows 2000 Professional Windows 2000 ServerWindows 2000 Server

Windows CEWindows CE

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8-14Platform ProblemsPlatform Problems

Long-term Long-term CommitmentCommitmentLong-term Long-term

CommitmentCommitment

Multiplatform Multiplatform EnvironmentEnvironment

Multiplatform Multiplatform EnvironmentEnvironment

Cross-Platform Cross-Platform TechnologiesTechnologies

Cross-Platform Cross-Platform TechnologiesTechnologies

InteroperabilityInteroperabilityInteroperabilityInteroperability

8-15

Windows:Windows:Concepts & Concepts & TerminologyTerminology

Windows 2000: HelpWindows 2000: Help Non-Windows ApplicationsNon-Windows Applications Windows ApplicationsWindows Applications Cursor Control Devices (CCDs)Cursor Control Devices (CCDs) Shortcut KeysShortcut Keys HotkeysHotkeys WizardsWizards The WindowsThe Windows

EnvironmentEnvironment

8-16Watch out for those Watch out for those

Virus Bugs !!Virus Bugs !!

8-17Windows 98/Me/2000 Windows 98/Me/2000

vs. Windows 95 vs. Windows 95 Easier to UseEasier to Use Web Page-oriented InterfaceWeb Page-oriented Interface Improved PerformanceImproved Performance Fully Integrated with InternetFully Integrated with Internet Enhanced ReliabilityEnhanced Reliability Supports USB, DVD, AGP and Enhanced Supports USB, DVD, AGP and Enhanced

TelevisionTelevision

8-18The DesktopThe Desktop

Start ButtonStart Button TaskbarTaskbar

ProgramsPrograms FolderFolder

Starting a Session

Application WindowApplication Window Open ApplicationOpen Application Active WindowActive Window

The Window

8-19The DesktopThe Desktop

Document WindowsDocument Windows Scroll BarsScroll Bars Title BarTitle Bar

MinimizeMinimize MaximizeMaximize RestoreRestore CloseClose

Menu BarMenu Bar Pull-downPull-down Pop-outPop-out FloatingFloating MnemonicMnemonic

Dialog Box Dialog Box Toolbar & Ruler BarToolbar & Ruler Bar

8-20Dialog Box FeaturesDialog Box Features

TabsTabs Text BoxText Box Command ButtonCommand Button List BoxList Box Drop-down List BoxDrop-down List Box Drop-down Color Drop-down Color

PalettePalette Radio ButtonRadio Button

8-21IconsIcons

Windows ExplorerWindows Explorer Application IconsApplication Icons Shortcut IconsShortcut Icons Document IconsDocument Icons Disk-Drive IconsDisk-Drive Icons

8-22Viewing WindowsViewing Windows

Run in a Window vs. Full-Screen Run in a Window vs. Full-Screen Cascading & Tiled WindowsCascading & Tiled Windows Switching Between WindowsSwitching Between Windows

Foreground vs. BackgroundForeground vs. Background Terminating SessionTerminating Session

File/SaveFile/Save Close all WindowsClose all Windows Start button then Shut DownStart button then Shut Down

8-23Sharing InformationSharing Information

The ClipboardThe Clipboard Source ApplicationSource Application Destination ApplicationDestination Application

OLEOLE Compound Document Compound Document Object LinkingObject Linking Object EmbeddingObject Embedding Server ApplicationServer Application Client ApplicationClient Application

8-24Interacting with Interacting with

the PCthe PC Hardware InstallationHardware Installation Software InstallationSoftware Installation

Default OptionsDefault Options Help CommandHelp Command

Power Up/Shut DownPower Up/Shut Down Power Up - System BootPower Up - System Boot System CheckSystem Check Shut Down/Exit RoutineShut Down/Exit Routine SerendipitousSerendipitous

Surfing: TravelSurfing: Travel

End of Chapter 2End of Chapter 2

Interactive Interactive Study GuideStudy Guide

Copyright Prentice-Hall, Inc. 2001