Managing information technology 7th edition brown dehayes martin

Managing information systems 7th edition brow ch02

Managing information systems  7th edition brow ch02
... mainframe systems - Used for departmental computers & office automation Midrange Systems Copyright © 2012 Pearson Education, Inc publishing as Prentice Hall 2-25 TYPES OF COMPUTER SYSTEMS Midrange systems ... Proprietary systems: operating systems written for a particular computer hardware configuration - Microcomputers: MS-DOS, Vista, Windows 7, Mac OS - Large systems: IBM z/OS and z/VM - Open systems: ... Education, Inc publishing as Prentice Hall 2-24 TYPES OF COMPUTER SYSTEMS Midrange systems: • In 1980s, included types of computer systems Workstations - Microcomputers with more powerful chips...
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Managing information systems 7th edition brow ch06

Managing information systems  7th edition brow ch06
... MANAGERIAL SUPPORT SYSTEMS • • • • • • • • • • Decision Support Systems Data Mining Group Support Systems Geographic Information Systems Executive Information Systems Business Intelligence Systems Knowledge ... competitive information today referred to as business intelligence systems Copyright © 2011 Pearson Education, Inc publishing as Prentice Hall Executive Information Systems/ Business Intelligence Systems ... publishing as Prentice Hall GEOGRAPHIC INFORMATION SYSTEMS “Coverage” data model Copyright © 2011 Pearson Education, Inc publishing as Prentice Hall GEOGRAPHIC INFORMATION SYSTEMS • Organizations can buy...
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Managing information systems 7th edition brow ch07

Managing information systems  7th edition brow ch07
... SOME DEFINITIONS E-Business Systems Enable the electronic transmission of business transactions or other related information between a buyer and seller Dot-Com (pure-play) ... A private network operating within an organization that employs the TCP/IP protocol, to provide information, applications, and other tools for use by the organization’s employees Extranet A portion ... operating within an organization that employs the TCP/IP other tools (such as protocol, to provide information, applications, and collaboration tools), for use by the organization’s employees ...
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Managing information systems 7th edition brow ch08

Managing information systems  7th edition brow ch08
... subsequent subsystems Copyright © 2011 Pearson Education, Inc publishing as Prentice THE SYSTEMS VIEW Organizations as systems • One useful framework for examining how information systems fit into ... data and information Copyright © 2011 Pearson Education, Inc publishing as Prentice THE SYSTEMS VIEW • The term “System” is used to refer to something broader than an information system: • Systems ... AGENDA • The Systems View • Business Processes • Systems Development Life Cycle and Structured Techniques • Information Systems Controls Copyright © 2011 Pearson...
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Managing information systems 7th edition brow ch010

Managing information systems  7th edition brow ch010
... SYSTEM PACKAGES • Enterprise Resource Planning (ERP) systems are software packages designed to integrate all departmental and functional systems into a single integrated system • Packages are ... proposal describing their software package and how it meets the company’s needs • Gives vendors information about: - System’s objectives and requirements - Environment in which the system will ... party firm) for modifying the package • Changes may also be required for other existing company systems that interface with the package System Testing: - User acceptance testing of configured...
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Managing information systems 7th edition brow ch011

Managing information systems  7th edition brow ch011
... Prentice Hall Figure 11.14 (Poria 2004) 11-43 MANAGING VIRTUAL TEAMS Virtual Teams: Project teams that are geographically dispersed and communicating through information technology • Virtual teams bring ... members Copyright © 2011 Pearson Education, Inc publishing as Prentice Hall 11-44 MANAGING VIRTUAL TEAMS • Strategies for managing Virtual Teams Source: Kostner (1996) Copyright © 2011 Pearson Education, ... and determine the impact, probability, and time frame of occurrence Risk Planning Use assessment information to make decisions and actions to implement them (present and future) Risk Avoidance...
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Managing information systems 7th edition brow ch013

Managing information systems  7th edition brow ch013
... Prentice Hall MANAGING IT APPLICATIONS • Legacy Systems - Maintenance of aging legacy systems can make up a large portion of IT budget - Integration of new technologies with legacy systems can ... Pacific region at British America Tobacco Source: Brown and Vessey, 2003 Copyright © 2011 Pearson Education, Inc publishing as Prentice Hall MANAGING IT SERVICE DELIVERY Technology Tradeoff Decisions ... waste Copyright © 2011 Pearson Education, Inc publishing as Prentice Hall CHARGEBACK SYSTEMS • Chargeback systems place control of IS spending with business managers and enables them to better...
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Managing information systems 7th edition brow ch015

Managing information systems  7th edition brow ch015
... of Privacy: The ability to control access to information about ourselves • An individual might give permission to collect and use certain personal information in exchange for some benefit or business ... for Privacy violations • One method of obtaining information about consumers is through the use of cookies Cookies: A small file created by a Web browser that can identify the user to a particular ... created by the Web browser - The cookie will then identify the user on any subsequent visits to Web sites with DoubleClick advertising - Through this mechanism, a detailed profile of browsing behavior...
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Managing information systems 7th edition brow ch01

Managing information systems 7th edition brow ch01
... publishing as MANAGING IT IN ORGANIZATIONS Information Systems (IS) Department: The organizational unit or department that has the primary responsibility for managing IT • Information Systems departments ... practices” for acquiring and implementing new systems and managing IT projects Part IV • Planning and managing an IS department’s resources, as well as managing information security; social/ethical/legal ... MANAGING INFORMATION TECHNOLOGY, 7e Information Technology (IT): Computer technology (hardware and software) for processing and storing information and Communications...
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Managing information systems 7th edition brow ch03

Managing information systems 7th edition brow ch03
... client/server systems: Distributed data processing • Information processing that uses multiple computers at multiple sites that are tied together through telecommunication lines Client/server systems ... networking Sharing of technology resources Sharing of data Distributed data processing and client/server systems Enhanced communications Marketing outreach Copyright © 2011 Pearson Education, Inc publishing ... agreed-upon set of rules or conventions governing communication among elements of a network Open Systems Interconnection (OSI) Reference Model • • Skeleton for standards developed by International...
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Managing information systems 7th edition brow ch04

Managing information systems 7th edition brow ch04
... Corporate Information Policy: provides the foundation for managing the ownership of data Copyright © 2011 Pearson Education, Inc publishing as Prentice Hall 4-33 MANAGERIAL ISSUES Example: Corporate Information ... publishing as Prentice Hall 4-20 PRINCIPLES IN MANAGING DATA Copyright © 2011 Pearson Education, Inc publishing as Prentice Hall 4-21 PRINCIPLES IN MANAGING DATA Application Software can be classified ... and presentation: provide data and information to authorized persons Copyright © 2011 Pearson Education, Inc publishing as Prentice Hall 4-22 PRINCIPLES IN MANAGING DATA Application Software...
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Managing information systems 7th edition brow ch05

Managing information systems 7th edition brow ch05
... Intra-organizational systems: • Enterprise systems: (Ch 5) support all or most of the organization • Managerial Support systems (Ch 6) support a specific manager or group of managers Inter-organizational systems: ... CONCEPTS Functional information systems Information systems that support one primary business function or process of an organization Example Business Functions and Subsystems Marketing Accounting ... PROCESSING SYSTEMS Payroll system • System to produce payroll checks also contains numerous subsystems Copyright © 2011 Pearson Education, Inc publishing as Prentice Hall 5-16 TRANSACTION PROCESSING SYSTEMS...
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Managing information systems 7th edition brow ch09

Managing information systems 7th edition brow ch09
... In the 1990s, systems development resources heavily devoted to system maintenance versus new system development: - 75% to run and maintain existing systems - 35% to build/buy new systems Copyright ... Inc publishing as Prentice SYSTEMS DEVELOPMENT LIFE CYCLE SDLC Waterfall: Steps in phases Figure 9.1 Copyright © 2011 Pearson Education, Inc publishing as Prentice SYSTEMS DEVELOPMENT LIFE CYCLE ... (if executed well) - Each module of code is tested - Modules are assembled into subsystems and tested - Subsystems are combined and entire system is integration tested Copyright © 2011 Pearson...
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Managing information systems 7th edition brow ch012

Managing information systems 7th edition brow ch012
... Inc publishing as Prentice Hall 12-11 CREATING AN INFORMATION VISION Information Vision A written expression of the desired future about how information will be used and managed in the organization ... PLANNING PROCESS ( from an Enterprise perspective) Assessment of current Information resources (the status quo) Establishment of an Information Vision Establishment of an IT Architecture for that vision ... yet typically found Fig 12.1 The Information Resources Planning Process Copyright © 2011 Pearson Education, Inc publishing as Prentice Hall 12-5 ASSESSING CURRENT INFORMATION RESOURCES Inventorying...
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