Is Final

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Management information systems ( MIS)

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routine reports and summaries of transaction-level data to middle and oeprational managers..provides structured answers

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Decision- support systems ( DSS)

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provide analytical models or tools for analyzing large quantities of data for middle managers who face semistructured decision situations.

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Executive support systems ( ESS)

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systems that provide senior management, making unstructured decisions, with external information ( news, stock analyses, and industry trends) and high- level summaries of firm performance.

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Iris Scans

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Scans the color and texture of eye. Can be wearing glasses. Fast accurate and cost effective

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Retinal Scans

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Scans veins behind retina. Cannot wear glasses or contacts. Most secure and more complicated.web 2.0

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Digital Narcissism

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Just because you can do, does it mean you should. Data on a page may be incorrect and is harder to control

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AJAX

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HTTP code used in web 2.0 to constantly update a webpage. Addditonal layer within http protocol

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Group Decision Support Systems GDSS

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Provide group electronic environment in which managers and teams collectively make decisions and design solutions for unstructered probs

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Components of DSS

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DSS Database
DSS Software
DSS interface

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Sensitivity analysis

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" what- if" questions repeatedly to determine the impact on outcomes of changes in one or more factors. excel is good for this. if i reduce by 5%

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Decision Making Process

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1. Intelligence: What is the problem?
2. Design: What are possible solutions?
3. Choice: What is best solution?
4. Implementation: Is solution working? Can we make it work better?

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DSS

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support semistructured and unstructured problem analysis

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Geographic information systems ( GIS)

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are a special category of DSS that use data* visualization* technology to analyze and display data for planning and decision making in the form of *digitized maps.*

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Executive support system ESS

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help managers focus on the really important performance information that affect the overall profitability and success of the firm.

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ESS: Executive support system

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Create a balanced scorecard and system to report back pereformance indicators

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Rationalization of procedures

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is the streamlining of standard operating procedures.

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Business process reengineering BPR

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reorganizes work flows, combining steps to cut waste and eliminating repetitive, paper- intensive tasks. ( Sometimes the new design eliminates jobs as well.) It is much more ambitious than rationalization of procedures,

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Effective reeningeering:improve business processes

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not decid-ing how to use information systems to improve business processes but rather understanding what business processes need improvement.

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effective reengineering: execute its strategy

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You will need to determine what business processes are the most important to focus on when applying new information technology and how improving these processes, will help the firm execute its strategy.

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effective reengineering: baseline process

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Without measuring the baseline original process, you will have no way to judge improvements.

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Benchmarking

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consists of setting strict standards for products, services, and other activities, and then measuring performance against those standards.
External industry, other company, or internal, or combo of three

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Systems development

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information system solution to an organizational problem or opportunity

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systems analysis

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does a feasiblity study to determine solotion is feasible, finanical technical and organizational standpoint. Identifies several alternative solutions

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Establishing Information Requirements

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system analysis defines the specific information requirements that must be met by the system solution. Faulty requirements is most common reason for system failures and high dev costs.

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systems design

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shows how the system will fulffill the inforomation req's objectives.
System designer details system specs.

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End users

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User information requirements drive the entire system- building effort.

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Conversion

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from old system to new 4 ways
parallel strategy
direct cutover
pilot study
phased approach

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Structured Methodologies

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document, analyze, and design information systems. Structured: step by step. Top down. data lfow diagrams.

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process specificications

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describe the transformation occurring within the lowest level of the data flow diagrams

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structure chart

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top down chart showing each level of design, relationshop to other levels, place in overall design structure.

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Object Oriented Development

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uses the object as basic unit of systems analysis and design

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Project managment

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Project management refers to the application of knowledge, skills, tools, and techniques to achieve specific targets within specified budget and time constraints.

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Run away projects and system failure

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out of budget or too long or failures

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linking projects to the business plan

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The plan contains a statement of corporate goals and specifies how infor-mation technology will support the attainment of those goals.

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Scope

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need formal definition. Project size and definition?

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portfolio analysis

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portfolio analysis can be used to evaluate alternative system projects.

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nanotechnology

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uses individ-ual atoms and molecules to create computer chips

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web 2.0

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uses individ-ual atoms and molecules to create computer chips