System Development Life Cycle
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| List the 4 Phases of the System Development Life Cycle? | Planning, Analysis, Design, and Implementation
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| What is the System Development Life Cycle? | Understanding of Information Systems in supporting business needs by designing a system and delivering to others
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| What is the primary objective of a System Analyst? | create value for the organization
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| Describe a failed system? | happens when an analyst tries to build a wonderful system without clearly understanding how the system would fit with the orgs: goals, and current business processes.
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| Name three different types of systems development methodologies? | Structured design, rapid application development, and agile development
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| EXAMPLE: "Don't Rush Greatness." | The IT department prceeded with the project before it even knew if the project had been accepted. Projected $800,000 ended up spending $2.5 Million
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| Three steps to building an Information System? | 1. Basic Idea 2. Simple Drawing 3. Set of Blueprints
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| What are deliverables | specific documents and files that provide understanding about the project
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| Planning can be described as? | Why this Information System should be build and How
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| Analysis can be described as? | Who will use the system, what the system will do
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| Design can be described as? | How the system will operate, Hard/Software, NetInfrastructure
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| Implementation can be describe as? | Actually building the system
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| What is methodology? | A List of steps and deliverables
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| Object- Oriented Methodologies = | Process + Data
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| Key Advantages of Structured Design Waterfall Approach? | 1.identifies system requirements before programming begins 2. minimizes changes to project
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| DisAdvantages of Structured Design Waterfall Approach? | 1. Must be specified early 2. Lengthy Deliverables leads to poor communication
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| Describe Waterfall Development | Long phases that are presented to the project sponsor for approval, from phase to phase
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| Key Advantages of Structured Design Waterfall Approach? | 1.identifies system requirements before programming begins 2. minimizes changes to project
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| DisAdvantages of Structured Design Waterfall Approach? | 1. Must be specified early 2. Lengthy Deliverables leads to poor communication
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| What is Parallel Development? | starting first with a general design and then dividing the project into a series of distinct sub-projects
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| Advantage/Dis Advantage of Parallel Development | Adv. Reduce Schedule time Dis. Not completely independent.
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| What is Rapid Application Development (RAD)? | methodologies implemented in the 90'S used to get projects to the users quickly (Phased, Prototyping, and Throw Away Prototyping)
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| What type of methodology is Phased Development? And Explain it's purpose? | breaks an overall system into a series of versions, which are developed sequentially.
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| Adv/Dis Advantage of Phased Development? | Adv. Get to users quickly Dis. Users work with incomplete systems
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| What type of methodology is prototyping? And Explain it's purpose? | all three phases performed repeatedly in a cycle until the system is completed
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| Adv/Dis Advantage of Prototyping? | Adv. quickly provides systems Dis. Undergoes significant changes due to fast paced releases
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| What type of methodology is throwaway prototyping? And Explain it's purpose? | used to gather information and develop ideas for the system concept
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| What type of methodology is Extreme Programming? And Explain it's purpose? | Agile Development. Founded on four core values: Communication, Simplicity, feedback, and courage
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