business copyright 2005 prentice- hall, inc. 16-1

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Copyright 2005 Prentice- Hall, Inc. 16-1 Business

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Page 1: Business Copyright 2005 Prentice- Hall, Inc. 16-1

Copyright 2005 Prentice- Hall, Inc. 16-1

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Page 2: Business Copyright 2005 Prentice- Hall, Inc. 16-1

16-2

ChapteChapte

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Managing Information Systems Managing Information Systems & Communication Technology& Communication Technology

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Copyright 2005 Prentice- Hall, Inc. 16-3

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ess Chapter OutlineChapter Outline

Information Management: An Information Management: An OverviewOverview

New Business Technologies In New Business Technologies In The Information AgeThe Information Age

Types Of Information SystemsTypes Of Information SystemsElements Of The Information Elements Of The Information

SystemSystemTelecommunications & Telecommunications &

NetworksNetworks

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Copyright 2005 Prentice- Hall, Inc. 16-4

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ess OverviewOverview

• Information Information ManagersManagers

• Information Information ManagementManagement

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Copyright 2005 Prentice- Hall, Inc. 16-5

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ess Data & InformationData & Information

• Data- Raw Facts & FiguresData- Raw Facts & Figures

• Information- Meaningful, Information- Meaningful, Useful Interpretation Of Useful Interpretation Of DataData

• Information System- Information System- Transforms Raw Data Into Transforms Raw Data Into Information For Decision MakingInformation For Decision Making

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Copyright 2005 Prentice- Hall, Inc. 16-6

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Use “Very Often”Use “Very Often”Or “Often”Or “Often”

0% 20% 40% 60% 80%

Send/Receive E-Mail

Do Research Work/School

Check News/Weather Updates

Gather Info. On Products/Services

Explore New Sites

Shop

Pay Bills

Dec. 2003 Dec. 2000

2000 2000 Information Not Information Not

AvailableAvailable

Source: Harris Interactive, The Harris Poll “Online Activity Grows As More People Use Internet For More Purposes”, Jan. 21, 2004, http://www.harrisinteractive.com/harris_poll/index.asp?PID=433

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Copyright 2005 Prentice- Hall, Inc. 16-7

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ess Technology & ISTechnology & IS

• Employees At All Levels UseEmployees At All Levels Use• Rapid Developments In Rapid Developments In

TechnologyTechnology• Technology ChangingTechnology Changing–Organizational DesignOrganizational Design– Innovation RelationshipsInnovation Relationships–Management/Business ProcessManagement/Business Process

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ess Expanding Scope Of ISExpanding Scope Of IS

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ess IS & Business StrategyIS & Business Strategy

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Functions OfFunctions OfElectronic TechnologiesElectronic Technologies

• Firm Coordination & Firm Coordination & CommunicationCommunication

• Speed Up TransactionsSpeed Up Transactions

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Copyright 2005 Prentice- Hall, Inc. 16-11

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ess Electronic Information Electronic Information

TechnologiesTechnologies• Fax MachineFax Machine• Voice MailVoice Mail• E-MailE-Mail• Electronic ConferencingElectronic Conferencing–DataData–VideoVideo

• GroupwareGroupware• Digital Information ServicesDigital Information Services

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SystemsSystems& Hardware& Hardware

• World Wide Web- Uniform World Wide Web- Uniform Resource Locator (URL)Resource Locator (URL)

• Servers & BrowsersServers & Browsers–Home PageHome Page–WebmasterWebmaster–ServerServer–BrowserBrowser

• Directories/Search EnginesDirectories/Search Engines

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Copyright 2005 Prentice- Hall, Inc. 16-13

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ess The ‘NetsThe ‘Nets

• InternetInternet

• Intranet- FirewallsIntranet- Firewalls

• ExtranetExtranet

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Options From IS Options From IS Organizational DesignOrganizational Design

• Leaner OrganizationsLeaner Organizations• More FlexibilityMore Flexibility• Increased CollaborationIncreased Collaboration• Improved Management Improved Management

ProcessesProcesses• Greater Independence Of Greater Independence Of

Company & WorkplaceCompany & Workplace

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Networking ForNetworking ForMass-CustomizationMass-Customization

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The Networked The Networked EnterpriseEnterprise

• Virtual CompanyVirtual Company

• Enterprise Resource Enterprise Resource PlanningPlanning

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User Groups &User Groups &System RequirementsSystem Requirements

• Knowledge WorkersKnowledge Workers

• ManagersManagers

• Functional AreasFunctional Areas

• Business ProcessesBusiness Processes

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Matching UsersMatching Users& Systems& Systems

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Matching Users, Matching Users, Function, & ProcessesFunction, & Processes

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Copyright 2005 Prentice- Hall, Inc. 16-20

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ess Systems By LevelSystems By Level

• Transaction Processing Transaction Processing SystemsSystems

• Office ApplicationsOffice Applications

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Flow Diagram-Flow Diagram-Transaction ProcessingTransaction Processing

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Copyright 2005 Prentice- Hall, Inc. 16-22

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ess Knowledge WorkersKnowledge Workers

• Systems AnalystsSystems Analysts

• Data Workers- System Data Workers- System Operations PersonnelOperations Personnel

• ProgrammersProgrammers

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Knowledge-Level Knowledge-Level Support SystemsSupport Systems

• Word ProcessingWord Processing

• Desktop PublishingDesktop Publishing

• Computer-Aided DesignComputer-Aided Design

• Simulation ModelingSimulation Modeling

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ManagementManagementInformation SystemsInformation Systems

• Decision SupportDecision Support

• Executive Artificial Intelligence- Executive Artificial Intelligence- SupportSupport

• RoboticsRobotics

• ExpertExpert

Page 25: Business Copyright 2005 Prentice- Hall, Inc. 16-1

Copyright 2005 Prentice- Hall, Inc. 16-25

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ess HardwareHardware

• Input Device- CPUInput Device- CPU–Optical ScannerOptical Scanner–CD DriveCD Drive–MouseMouse

• Main MemoryMain Memory• Output DeviceOutput Device–MonitorMonitor–PrinterPrinter–VoiceVoice

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ess Hardware ComponentsHardware Components

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ess SoftwareSoftware

• System Program- Operating System Program- Operating SystemSystem

• Application ProgramApplication Program

• Graphical User Interface (GUI)- Graphical User Interface (GUI)- IconsIcons

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ess IS ControlIS Control

• Ensures System Operates Ensures System Operates According To ProcedureAccording To Procedure

• Problems Of Privacy Problems Of Privacy & Security& Security

• Privacy InvasionPrivacy Invasion

• SecuritySecurity

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ess DatabaseDatabase

• Centralized, Organized DataCentralized, Organized Data–FieldsFields

–RecordsRecords

–FilesFiles

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Copyright 2005 Prentice- Hall, Inc. 16-30

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ess Application ProgramsApplication Programs

• Word ProcessingWord Processing• Electronic Electronic

SpreadsheetsSpreadsheets• Database ManagementDatabase Management• GraphicsGraphics–ComputerComputer–PresentationPresentation

• Desktop PublishingDesktop Publishing

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Multimedia Multimedia CommunicationCommunication

• DevicesDevices–Global Positioning SystemsGlobal Positioning Systems–Personal Digital AssistantsPersonal Digital Assistants–Paging Systems/Cellular PhonesPaging Systems/Cellular Phones

• ChannelsChannels–WiredWired–WirelessWireless

• BroadbandBroadband

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Copyright 2005 Prentice- Hall, Inc. 16-32

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ess System ArchitectureSystem Architecture

• NetworksNetworks–Wide Area Network (WAN)Wide Area Network (WAN)

– Local Area Network Local Area Network (LAN)(LAN)

• Wireless NetworksWireless Networks

• Client-Server NetworkClient-Server Network