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29 Cards in this Set
- Front
- Back
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o Gather the business requirements for the system
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• Analysis
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o Involves end users and IT specialists work together
o End Users becomes less actively involved o Develop a blueprint of the system o Design technical architecture • Hardware, Software, Telecommunications o Design System Models • Screens, Database Designs, Report Format |
• Design
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o Build the technical architecture build the database and programs
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• Development
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o Put the system into use
• Write detailed user documentation • Provide Training for end users |
• Implementation
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o Provide a help desk
o Provide a support to make changes and updates to the system |
• Maintenance
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o Occurs when the scope of the project increases beyond its original intentions
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• Scope Creep
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o Occurs when developers add extra features that were not part of the initial requirements
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• Feature Creep
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non working model, shows what the finished system would look like
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Prototypes
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is a prototype you use to prove the technical feasibility of a proposed system
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o Proof-Of-Concept Prototype
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is a prototype you use to convince people of the worth of a proposed system
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o Selling Prototype
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doing it yourself…creating your own excel spreadsheet, or fixing and IT problem
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• Self-Sourcing-
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Delegating systems development to a third party for a contractually specified:
o Length of time o Cost o Level of service/quality |
outsourcing
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o IT people create a spreadsheet for you and helps you with IT problems
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• In-sourcing
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uses both the old and new systems until your sure that the new system performs correctly
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o Parallel Implementation
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discards the old system completely and immediately uses the new system
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o Plunge Implementation
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has only a small group of people using the new system until you know it works correctly and then the remaining people are added to the system
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o Pilot Implementation
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installs the new system in phases until your sure it works correctly and then the remaining phases of the new system are implemented
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o Phased Implementation
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o Focuses on developing, using, and reusing small self-contained blocks of code called services
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o SOA-Service Oriented Architecture
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Where should users be able to access organizational resources?
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• EVERYWHERE
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software system for business management, supporting areas such as planning, manufacturing, sales, marketing, distribution, accounting, finance, HRM, project management, inventory management, service and maintenance, transportation, and e-business
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o Enterprise Resource Planning
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involves little or no sharing of IT an other resources such as information…Almost nonexistent
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decentralized
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distributes the information and processing power of IT systems via a network…first true network infrastructure
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distributed
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process of continuously measuring system results and comparing them to benchmarks
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benchmarking
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o –Measure of the success of your Web and e-business initiatives
o –Unique visitors, total # hits, page exposures, conversion rates, click through, abandoned shopping carts, etc. |
Web-centric metrics
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doing something right
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o Efficiency
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doing the right things
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o Effectiveness
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rigorous and well-informed organizational methodology for developing a business continuity plan, a stop-by-step guideline defining how the organization will recover from a disaster or extended disruption
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o Business Continuity Planning (BCP
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sharing information systems in one central area or on one central mainframe…almost nonexistent today
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Centralized
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one or more computers that are servers which provide services to other computer, called clients
o Servers and clients work together to optimize processing, information storage, etc o When you surf the Web, the underlying network infrastructure is client/server |
Client/Server
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